Cite the PDF based on the type of source it is. For instance, if a PDF of a newspaper, cite the source using our newspaper form. You can enter the online information that leads to the PDF file using our website tab. In MLA, you can change the medium description to “PDF file.” In APA, you can add “[PDF file]” after the title (separated by only space) and in Chicago style, after the title, you can add the same description without brackets (separated by a period). When editing, use our custom edit feature to add such descriptions.