APA (7th ed.) Citation

Collier, P. (2015). Choosing courage: Inspiring true stories of what it means to be a hero. Artisan.

Chicago Style (17th ed.) Citation

Collier, Peter. Choosing Courage: Inspiring True Stories of What It Means to Be a Hero. New York: Artisan, 2015.

MLA (8th ed.) Citation

Collier, Peter. Choosing Courage: Inspiring True Stories of What It Means to Be a Hero. Artisan, 2015.

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