Perdue University’s Online Writing Lab (OWL) is a widely recognized authority on academic writing and citation style. This guide explains how to cite Perdue OWL resources in MLA format, focusing on core principles that apply to any source type, practical examples for common student needs, and common pitfalls to avoid. Understanding how to document these self-generated or institutional style guides supports academic integrity and strengthens your Works Cited entries.
Core MLA Principles for Perdue OWL Citations
MLA style emphasizes the container system, where each source sits within a hierarchy of containers. For Perdue OWL, treat the site as a webpage contained within a larger website. In most cases, you will cite it as a web page authored by Perdue University Writing Lab. Key elements include the author (often an institution when a person is not listed), the title of the specific page, the site title (italicized), publisher (Perdue University), publication date (if available), and the URL. Use the official MLA guidelines linked on the Perdue OWL site to verify the latest formatting expectations.
Author and Title Details
Author Attribution
When an author is not individually named, MLA recommends using the responsible organization. For Perdue OWL materials, the author is typically listed as Perdue University Writing Lab or Purdue University. This attribution clarifies institutional authority and should appear in both in-text citations and the Works Cited entry. If a specific staff author is credited, use that name instead for greater precision.
Page Titles and Italics
Italicize the site-level container (Purdue OWL) and use quotation marks for the specific page title. Capitalize major words in titles and headings according to MLA style. Accurate titling ensures readers can distinguish between the broader OWL resource and the particular page or handout you consulted.
| Attribute | Verified Detail | Source Type |
|---|---|---|
| Author | Purdue University Writing Lab (often institutional) | Perdue OWL pages |
| Site Title | Purdue OWL | Italic in Works Cited |
| Page Title | Handout or resource title in quotation marks | MLA style guidelines |
| Publisher | Purdue University | Institutional publisher |
| Date | Version or access date when no copyright is listed | MLA guidance |
| URL | Full, stable URL without session identifiers | Browser address bar |
In-Text Citation Patterns
In MLA, in-text citations correspond to the first element in your Works Cited entry. When referencing general Perdue OWL guidance within your prose, you may mention the organization in the sentence and include a parenthetical page or section anchor if necessary. For example: (Perdue OWL, "Quoting and Paraphrasing") or simply attribute the statement to Perdue University Writing Lab in your narrative. If you are citing a specific handout with page numbering, include the page in the parenthetical citation when available.
Works Cited Entry Templates and Examples
Basic Web Page or Handout
Use this template when citing a handout, guide, or informational page: Author Last Name, First Name. “Title of Page in Quotation Marks.” *Italicized Site Title*, Publisher, Publication Date, URL. Accessed Day Month Year.
Entry with No Individual Author
Begin the entry with the title of the page in quotation marks, followed by the site title in italics. If no publication date is provided, use n.d. (no date) and include the access date if your instructor requests it. This approach standardizes entries when institutional authorship is consistent.
Handout Example
MLA provides printable classroom materials such as the MLA Formatting and Style Guide handout. When citing this resource, specify it as a handout within the entry and reflect any version or revision number if shown on the page.
- MLA Style Handout Citation Example: “MLA Sample Paper.” Purdue OWL, Purdue University, owl.purdue.edu/owl/research_and_citation/mla_style/mla_formatting_and_style_guide/sample_paper, Accessed 20 Oct. 2023.
- Quoting and Paraphrasing Handout: “Quoting and Paraphrasing.” Purdue OWL, Purdue University, owl.purdue.edu/owl/research_and_citation/avoiding_plagiarism/quotations_and_paraphrases/quotations_and_paraphrasing, Accessed 20 Oct. 2023.
- General Formatting Overview: “MLA Formatting and Style Guide.” Purdue OWL, Purdue University, owl.purdue.edu/owl/research_and_citation/mla_style/mla_formatting_and_style_guide, Accessed 20 Oct. 2023.
Common Pitfalls and How to Avoid Them
Omitting the site container, misplacing quotes and italics, and failing to update access dates when no publication date is present are common issues. Avoid listing unnecessary components such as the university as publisher when the site title clearly indicates the source. Double-check that URLs are functional, omitting http:// or https:// only if your style guide explicitly permits it, and prefer stable, direct links over navigation URLs.
When to Use an Access Date
MLA typically includes an access date only when a publication or revision date is not provided. Online style content can be updated over time, so noting when you consulted the material supports reproducibility. If the page displays a copyright or revision date, use that date in your citation and omit the access date unless your instructor requests otherwise.
Evaluating Perdue OWL as a Citation Source
Perdue OWL is widely regarded as a reputable instructional resource for MLA and other citation styles. Its materials are created and reviewed by writing professionals, though they are periodically updated. When citing it, focus on accuracy: confirm the page title, authoring body, and URL directly from the site. For high-stakes submissions, cross-check specific format rules against the official MLA Handbook to ensure alignment with the latest edition.
Extending Your Citation Knowledge
Beyond Perdue OWL, consider exploring how to cite other common sources such as journal articles, books, and interviews in MLA. Building familiarity with the container system helps you adapt to new source types efficiently. Keep templates handy, verify URLs before submission, and maintain a consistent file of your Works Cited entries to streamline research and writing workflows.