Cita APA (7a ed.)

Vanderkam, L. A., & London, E. (2010). 168 hours: You have more time than you think (Unabridged.). Ascent Audio.

Cita Chicago Style (17a ed.)

Vanderkam, Laura Author, y Elizabeth London. 168 Hours: You Have More Time than You Think. Unabridged. Rego Park: Ascent Audio, 2010.

Cita MLA (9a ed.)

Vanderkam, Laura Author, y Elizabeth London. 168 Hours: You Have More Time than You Think. Unabridged. Ascent Audio, 2010.