APA (7th ed.) Citation

Halls, K. M. (2013). Courageous canine!: And more true stories of amazing animal heroes. National Geographic Society.

Chicago Style (17th ed.) Citation

Halls, Kelly Milner. Courageous Canine!: And More True Stories of Amazing Animal Heroes. Washington, D.C.: National Geographic Society, 2013.

MLA (8th ed.) Citation

Halls, Kelly Milner. Courageous Canine!: And More True Stories of Amazing Animal Heroes. National Geographic Society, 2013.

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