APA(7版)引用形式
National Geographic Society (U.S.). (2019). National geographic traveler. [National Geographic Society].
Chicagoスタイル(17版)引用形式
National Geographic Society (U.S.). National Geographic Traveler. [Washington, D.C.]: [National Geographic Society], 2019.
MLA(9版)引用形式
National Geographic Society (U.S.). National Geographic Traveler. [National Geographic Society], 2019.
警告: この引用は必ずしも正確ではありません.