APA (7th ed.) Citation

Waal, F. B. M. d. (2002). Tree of origin: What primate behavior can tell us about human social evolution (1st Harvard University Press pbk. ed.). Harvard University Press.

Chicago Style (17th ed.) Citation

Waal, F. B. M. de. Tree of Origin: What Primate Behavior Can Tell Us About Human Social Evolution. 1st Harvard University Press pbk. ed. Cambridge (Massachusetts) [etc.]: Harvard University Press, 2002.

MLA (9th ed.) Citation

Waal, F. B. M. de. Tree of Origin: What Primate Behavior Can Tell Us About Human Social Evolution. 1st Harvard University Press pbk. ed. Harvard University Press, 2002.