MLA

Lieberman, Philip. On the Origins of Language : an Introduction to the Evolution of Human Speech. New York: Macmillan, 1975.

APA

Lieberman, P. (1975). On the origins of language : an introduction to the evolution of human speech. New York: Macmillan.

Chicago

Lieberman, Philip, On the Origins of Language: An Introduction to the Evolution of Human Speech. New York: Macmillan, 1975.