The Chicago Manual of Style is used in many disciplines that prefer using footnotes or endnotes to cite sources.
Here are some resources to help you to use the Chicago Style:
1. Chicago Manual of Style Online, 17th Edition
2. Chicago Manual of Style Quick Guide
2. OWL at Purdue: Chicago Style, 17th Edition
4. Chicago Style Citation of Canadian Government Documents (from Simon Fraser University)
5. Chicago Style Videos (from Memorial University)