APA Style
Boyd, Robert, Silk, Joan B.. (2012).
How humans evolved (6th ed.).
London:
W.W. Norton & Compay, Inc..
Chicago Style
Boyd, Robert, Silk, Joan B..
How humans evolved.
6th ed.
London:
W.W. Norton & Compay, Inc.,
2012.
Text.
MLA Style
Boyd, Robert, Silk, Joan B..
How humans evolved.
6th ed.
London:
W.W. Norton & Compay, Inc.,
2012.
Text.
Turabian Style
Boyd, Robert, Silk, Joan B..
How humans evolved.
6th ed.
London:
W.W. Norton & Compay, Inc.,
2012.
Print.