Cita APA (7a ed.)

Long, D., & Hyndman, K. (2018). Heroes: Incredible true stories of courageous animals (Illustrated edition.). Faber & Faber.

Cita Chicago Style (17a ed.)

Long, David, y Kerry Hyndman. Heroes: Incredible True Stories of Courageous Animals. Illustrated edition. London: Faber & Faber, 2018.

Cita MLA (8a ed.)

Long, David, y Kerry Hyndman. Heroes: Incredible True Stories of Courageous Animals. Illustrated edition. Faber & Faber, 2018.

Precaución: Estas citas no son 100% exactas.