Style de citation APA (7e éd.)

Kaufman, J. (2013). The first 20 hours: How to learn anything ... fast. Portfolio/Penguin.

Style de citation Chicago (17e éd.)

Kaufman, Josh. The First 20 Hours: How to Learn Anything ... Fast. New York: Portfolio/Penguin, 2013.

Style de citation MLA (8e éd.)

Kaufman, Josh. The First 20 Hours: How to Learn Anything ... Fast. Portfolio/Penguin, 2013.

Attention : ces citations peuvent ne pas être correctes à 100%.