APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.