APA (7th ed.) Citation

National Geographic Television & Film, National Geographic Channel (Television station : Washington, D.C.), National Geographic Society (U.S.), Warner Home Video (Firm), Cohen, C., Wells, S., & Bacon, K. (2009). The human family tree. National Geographic ; Distributed in the U.S.A. and Canada by Warner Home Video.

Chicago Style (17th ed.) Citation

National Geographic Television & Film, D.C.) National Geographic Channel (Television station : Washington, National Geographic Society (U.S.), Warner Home Video (Firm), Chad Cohen, Spencer Wells, and Kevin Bacon. The Human Family Tree. [Washington, D.C.] : Burbank, Calif.: National Geographic ; Distributed in the U.S.A. and Canada by Warner Home Video, 2009.

MLA (9th ed.) Citation

National Geographic Television & Film, et al. The Human Family Tree. National Geographic ; Distributed in the U.S.A. and Canada by Warner Home Video, 2009.