Purdue University's Online Writing Lab (OWL) offers information on citation including quick guides to APA, MLA, Chicago, and a few additional citation styles commonly used in higher education.
Support for using EndNote Basic or Zotero as a tool for managing citations.
These additional library guides provide information for using citation management software (ex. EndNote, Mendeley, Zotero, etc.), advice for citing data, and support individual citation styles most commonly utilized in higher education: APA, Chicago, and MLA.