The tabs to the left and links below will take you to style-specific resources.
The Online Writing Lab (OWL) at Purdue University houses writing resources and instructional material, and we provide these as a free service of the Writing Lab at Purdue. Students, members of the community, and users worldwide will find information to assist with many writing projects. Teachers and trainers may use this material for in-class and out-of-class instruction.
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Purdue Online Writing Lab (OWL) site is a fairly comprehensive resource for the Modern Language Association's (MLA) style and formatting rules.
Use the left side bar on OWL's page to navigate to the style or other help that you need.
UPDATED TO 9th ed.
Purdue Online Writing Lab (OWL) site is a fairly comprehensive resource for the American Psychological Association (APA) style and formatting rules.
Use the left side bar of the OWL page to navigate to the style or other help that you need.
Purdue Online Writing Lab (OWL) site is a fairly comprehensive resource for The Chicago Manual of Style (CMOS) style and formatting rules.
Use the left side bar of the OWL page to navigate to the style or other help that you need.
APA In-Text Citations APA References
APA Formatting Guide APA Headings (setting up the paper)
APA Activity (tutorial) APA Side By Side (compares reference, in-text citation,
and in-text citation with author set-up)
