Click the Add citation source button. Click on the Cite or Insert bibliography button. To get started, open the desired document in Google Docs and click on the Tools > Citations option.

Google Doc footnotes offer a way to cite sources or provide additional details for academic writers and researchers. You may type footnote information or insert a properly formatted citation with ...

It focuses on sources like PubMed, Google Scholar, and Sciwheels database, so the range is less broad than with other add-ons. However, it supports a large number of citation styles.