Research Help Appointments Need help with your research? A reference librarian is like a tutor for finding and citing information. Schedule an appointment to get uninterrupted individual time with a librarian. MLA Style From the Purdue Online Writing Lab (OWL): Modern Language Association (MLA) Style Introduction From PCC librarians: MLA 8 Reference Guide [pdf] From PCC librarians: MLA 9 Citation Samples [pdf] From the MLA Style Center: Citing AI in MLA Format APA Style From the Purdue Online Writing Lab (OWL): American Psychological Association (APA 7) Style Introduction From the American Psychological Association: APA 7 Common Reference Examples Guide [pdf] From the American Psychological Association: Citing AI in APA format Chicago Style From the Purdue Online Writing Lab (OWL): Chicago Manual of Style Guidelines From PCC librarians: Chicago Manual of Style Citation Samples From the Chicago Manual of Style: Citing AI in Chicago style CSE Style From Scientific Style and Format: Scientific Style and Format CSE Citation Quick Guide From PCC librarians: CSE Citation Samples [pdf] AMA Style From Texas A&M: Using the AMA Format