National Geographic Television & Film, National Geographic Channel (Television station : Washington, D.C.), 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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Geographic Television & Film, D.C.) National Geographic Channel (Television station : Washington, Warner Home Video (Firm), Chad Cohen, Spencer Wells, و Kevin Bacon. The Human Family Tree. [Washington, D.C.] : Burbank, CA: National Geographic ; Distributed in the U.S.A. and Canada by Warner Home Video, 2009.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)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.