Cita APA (7a ed.)

Akerlof, G. A. (2009). Animal Spirits. Penguin Books Ltd.

Cita Chicago Style (17a ed.)

Akerlof, George A. Animal Spirits. London: Penguin Books Ltd, 2009.

Cita MLA (9a ed.)

Akerlof, George A. Animal Spirits. Penguin Books Ltd, 2009.