Citazione Stile APA (7a Edizione)

Keenan, J. P., Gallup, G. G., & Falk, D. (2003). The face in the mirror: The search for the origins of consciousness. Ecco.

Citazione stile Chigago Style (17a edizione)

Keenan, Julian Paul, Gordon G. Gallup, e Dean Falk. The Face in the Mirror: The Search for the Origins of Consciousness. New York: Ecco, 2003.

Citatione MLA (9a ed.)

Keenan, Julian Paul, et al. The Face in the Mirror: The Search for the Origins of Consciousness. Ecco, 2003.