APA (7th ed.) Citation

Petróleos Mexicanos. (1952). Archaeology in Mexico today (2a ed.). Petroleos Mexicanos.

Chicago Style (17th ed.) Citation

Petróleos Mexicanos. Archaeology in Mexico Today. 2a ed. México: Petroleos Mexicanos, 1952.

MLA (9th ed.) Citation

Petróleos Mexicanos. Archaeology in Mexico Today. 2a ed. Petroleos Mexicanos, 1952.

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