Collier, P. (2015). Choosing courage: Inspiring true stories of what it means to be a hero. Artisan.
Style de citation Chicago (17e éd.)Collier, Peter. Choosing Courage: Inspiring True Stories of What It Means to Be a Hero. New York: Artisan, 2015.
Style de citation MLA (8e éd.)Collier, Peter. Choosing Courage: Inspiring True Stories of What It Means to Be a Hero. Artisan, 2015.
Attention : ces citations peuvent ne pas être correctes à 100%.