Style de citation APA (7e éd.)

Smith, I. (2010). Happy: Simple steps to get the most out of life. St. Martin's Press.

Style de citation Chicago (17e éd.)

Smith, Ian. Happy: Simple Steps to Get the Most Out of Life. New York: St. Martin's Press, 2010.

Style de citation MLA (8e éd.)

Smith, Ian. Happy: Simple Steps to Get the Most Out of Life. St. Martin's Press, 2010.

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