APA (7th ed.) Citation

International Congress of Prehistoric and Protohistoric Sciences & Piña Chán, R. (1981). Guía de la excursión. [El Congreso].

Chicago Style (17th ed.) Citation

International Congress of Prehistoric and Protohistoric Sciences and Román Piña Chán. Guía De La Excursión. [Mexico, Distrito Federal]: [El Congreso], 1981.

MLA (9th ed.) Citation

International Congress of Prehistoric and Protohistoric Sciences and Román Piña Chán. Guía De La Excursión. [El Congreso], 1981.

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