APA引文

National Geographic Society (U.S.). (1991). The Curious naturalist. National Geographic Society.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S.). The Curious Naturalist. Washington, D.C.: National Geographic Society, 1991.

MLA引文

National Geographic Society (U.S.). The Curious Naturalist. National Geographic Society, 1991.

警告：這些引文格式不一定是100％准確.