Style de citation APA (7e éd.)

Powell, C. L., & Koltz, T. (2012). It worked for me: In life and leadership. Harperaudio.

Style de citation Chicago (17e éd.)

Powell, Colin L., et Tony Koltz. It Worked for Me: In Life and Leadership. [United States]: Harperaudio, 2012.

Style de citation MLA (8e éd.)

Powell, Colin L., et Tony Koltz. It Worked for Me: In Life and Leadership. Harperaudio, 2012.

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