APA (7th ed.) Citation

Wormington, H. M. (1953). Origins: Indigenous period. Instituto Panamericano de Geografía e Historia.

Chicago Style (17th ed.) Citation

Wormington, H. M. Origins: Indigenous Period. México, D.F.: Instituto Panamericano de Geografía e Historia, 1953.

MLA (8th ed.) Citation

Wormington, H. M. Origins: Indigenous Period. Instituto Panamericano de Geografía e Historia, 1953.

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