APA引文

Mira, A. M. V. d. (2009). National geographic.

Chicago Style (17th ed.) Citation

Mira, Américo Mário Varela de. National Geographic. 2009.

MLA引文

Mira, Américo Mário Varela de. National Geographic. 2009.

警告：這些引文格式不一定是100％准確.