Boyd, R., & Silk, J. B. (2003). How humans evolved. W. W. Norton & Company.
Chicago Style (17th ed.) CitationBoyd, Robert, and Joan B. Silk. How Humans Evolved. W. W. Norton & Company, 2003.
MLA (8th ed.) CitationBoyd, Robert, and Joan B. Silk. How Humans Evolved. W. W. Norton & Company, 2003.
Warning: These citations may not always be 100% accurate.