APA (7th ed.) Citation

Congress of Historians from Mexico and the United States. (1949). Memoria. Proceedings. [s.n.].

Chicago Style (17th ed.) Citation

Congress of Historians from Mexico and the United States. Memoria. Proceedings. Mexico: [s.n.], 1949.

MLA (9th ed.) Citation

Congress of Historians from Mexico and the United States. Memoria. Proceedings. [s.n.], 1949.

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