Chicago

The ebook for the Chicago Manual of Style 16th ed. is here Chicago Manual of Style

• Carleton University guide to Chicago citation style 
  • Carleton University Chicago Style tip sheet (pdf)
• Carleton University tip sheet for citing primary sources in Chicago citation style
• Citing Canadian government documents using Chicago Style (Simon Fraser University)

Other Chicago style guides

• Harvard Business School guide for citing business sources
• Instructional videos
  • Chicago Style tutorial
  • Chicago Style bibliography and footnotes
• Purdue University citing archival documents
• Purdue University Online Writing Lab (OWL)