Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Vaillant, G. C. (1939). History and stratigraphy in the valley of Mexico. Smithsonian Institution.

Chicago Citation Edition Citation

Vaillant, George Clapp. History and Stratigraphy in the Valley of Mexico. Washington, D.C.: Smithsonian Institution, 1939.

MLA Citation Edition Citation

Vaillant, George Clapp. History and Stratigraphy in the Valley of Mexico. Smithsonian Institution, 1939.