APA引文

Ramos, t. P. (1997). National Geographic. National Geographic Society.

Chicago Style (17th ed.) Citation

Ramos, trad. Paulo. National Geographic. National Geographic Society, 1997.

MLA引文

Ramos, trad. Paulo. National Geographic. National Geographic Society, 1997.

警告：這些引文格式不一定是100％准確.