Kostyal,K M, & David Hamlin. (2010). Great migrations: Official companion to the National Geographic channel global television event. National Geographic.
Chicago Style (17th ed.) CitationKostyal,K M, and David Hamlin. Great Migrations: Official Companion to the National Geographic Channel Global Television Event. Washington, D.C.: National Geographic, 2010.
MLA (9th ed.) CitationKostyal,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.