Cita APA (7a ed.)

Yerkers, R. M. (1929). The great apes. A study of anthropoid life. Yale University.

Cita Chicago Style (17a ed.)

Yerkers, Robert M. The Great Apes. A Study of Anthropoid Life. New Haven: Yale University, 1929.

Cita MLA (9a ed.)

Yerkers, Robert M. The Great Apes. A Study of Anthropoid Life. Yale University, 1929.