Cita APA (7th ed.)
Shepard, P., & Oelschlaeger, M. (1998). Thinking animals: Animals and the development of human intelligence. University of Georgia Press.
Cita Chicago (17th ed.)
Shepard, Paul, i Max Oelschlaeger. Thinking Animals: Animals and the Development of Human Intelligence. Athens, Ga.: University of Georgia Press, 1998.
Cita MLA (9th ed.)
Shepard, Paul, i Max Oelschlaeger. Thinking Animals: Animals and the Development of Human Intelligence. University of Georgia Press, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.