When writing assignments and papers, you must properly cite all sources you used. Citations and bibliographies can be complicated, but the Library can help.

When and Why to Cite

Curious about when you need to cite references, or how to do it properly? Check out our Cite Your Sources video for citation tips and tricks.


Citation Software

Citation software can help you keep track of all of your sources, and can also make it much easier to create bibliographies and integrate citations.

* Be sure to check your generated citations for accuracy. See the appropriate style guides below for help.

*Always check with your instructor about which style to use.


As of July 31st 2015, the University of Guelph community no longer has access to RefWorks

To select a new tool, 

Citation and Bibliography Styles



Chicago Style

CSE (Council of Science Editors) Style

MLA Style

How to Cite Government Documents

Other Citation Resources