Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

National Geographic Society (U.S.). Research & exploration: A scholarly publication of the National Geographic Society. Society.

Chicago Citation Edition Citation

National Geographic Society (U.S.). Research & Exploration: A Scholarly Publication of the National Geographic Society. Washington-DC: Society.

MLA Citation Edition Citation

National Geographic Society (U.S.). Research & Exploration: A Scholarly Publication of the National Geographic Society. Society.