APA (7e ed.) Bronvermelding

Carter, A. A., & Gould, S. J. (1999). The art of national geographic: Century of illustration (Special catalog edition.). National Geographic Society.

Chicago (17e ed.) Bronvermelding

Carter, Alice A., en Stephen Jay Gould. The Art of National Geographic: Century of Illustration. Special catalog edition. Washington, D.C.: National Geographic Society, 1999.

MLA (9e ed.) Bronvermelding

Carter, Alice A., en Stephen Jay Gould. The Art of National Geographic: Century of Illustration. Special catalog edition. National Geographic Society, 1999.