APA (7th ed.) Citation

Kostyal, K. M., & Hamlin, D. (2010). Great migrations: Official companion to the National Geographic Channel global television event. National Geographic.

Chicago Style (17th ed.) Citation

Kostyal, K. M., and David Hamlin. Great Migrations: Official Companion to the National Geographic Channel Global Television Event. Washington, D.C.: National Geographic, 2010.

MLA (8th ed.) Citation

Kostyal, K. M., and David Hamlin. Great Migrations: Official Companion to the National Geographic Channel Global Television Event. National Geographic, 2010.

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