APA (7th ed.) Citation

Vanderkam, L. (2011). 168 hours : you have more time than you think / Laura Vanderkam: You have more time than you think (New ed.). Portfolio/Penguin.

Chicago Style (17th ed.) Citation

Vanderkam, Laura. 168 Hours : You Have More Time than You Think / Laura Vanderkam: You Have More Time than You Think. New ed. New York ; London: Portfolio/Penguin, 2011.

MLA (9th ed.) Citation

Vanderkam, Laura. 168 Hours : You Have More Time than You Think / Laura Vanderkam: You Have More Time than You Think. New ed. Portfolio/Penguin, 2011.

Warning: These citations may not always be 100% accurate.