Cita APA (7a ed.)

Lieberman, P. (1993). Uniquely human: The evolution of speech, thought, and selfless behavior (1a. ed.). Harvard University.

Cita Chicago Style (17a ed.)

Lieberman, Philip. Uniquely Human: The Evolution of Speech, Thought, and Selfless Behavior. 1a. ed. Massachusetts: Harvard University, 1993.

Cita MLA (9a ed.)

Lieberman, Philip. Uniquely Human: The Evolution of Speech, Thought, and Selfless Behavior. 1a. ed. Harvard University, 1993.