Cita APA (7a ed.)

Baumeister, R. F., & Tierney, J. (2011). Willpower: The rediscovery of humans' greatest strength. Penguin Press.

Cita Chicago Style (17a ed.)

Baumeister, Roy F., y John Tierney. Willpower: The Rediscovery of Humans' Greatest Strength. New York: Penguin Press, 2011.

Cita MLA (8a ed.)

Baumeister, Roy F., y John Tierney. Willpower: The Rediscovery of Humans' Greatest Strength. Penguin Press, 2011.

Precaución: Estas citas no son 100% exactas.