APA引文
National Geographic Society (U.S.). (2008). Concise atlas of the world (2nd ed.). National Geographic.
Chicago Style (17th ed.) Citation
National Geographic Society (U.S.). Concise Atlas of the World. 2nd ed. Washington, DC: National Geographic, 2008.
MLA引文
National Geographic Society (U.S.). Concise Atlas of the World. 2nd ed. National Geographic, 2008.
警告:這些引文格式不一定是100%准確.