Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Precaución: Estas citas no son 100% exactas.