APA (7th ed.) Citation

Vaillant, G. C. (1950). Aztecs of Mexico: Origin, rise and fall of the Aztec nation. Penguin Books.

Chicago Style (17th ed.) Citation

Vaillant, George Clapp. Aztecs of Mexico: Origin, Rise and Fall of the Aztec Nation. Harmondsworth, Middlesex: Penguin Books, 1950.

MLA (9th ed.) Citation

Vaillant, George Clapp. Aztecs of Mexico: Origin, Rise and Fall of the Aztec Nation. Penguin Books, 1950.

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