APA(7版)引用形式

National Geographic Society (U.S.). (1959). National geographic. National Geographic Society.

Chicagoスタイル(17版)引用形式

National Geographic Society (U.S.). National Geographic. Washington: National Geographic Society, 1959.

MLA(8版)引用形式

National Geographic Society (U.S.). National Geographic. National Geographic Society, 1959.

警告: この引用は必ずしも正確ではありません.