Formatos de citas

MLA

Sánchez Valdés, Víctor Manuel, and Manuel Pérez Aguirre. The Origin of the Zetas and Their Expansion In Northern Coahuila: Introduction. : El Colegio de México, 2017.

APA

Sánchez Valdés, V., & Pérez Aguirre, M. (2017). The origin of the Zetas and their expansion in northern Coahuila: introduction. : El Colegio de México.

Chicago

Sánchez Valdés, Víctor Manuel, and Manuel Pérez Aguirre. 2017. The Origin of the Zetas and Their Expansion In Northern Coahuila: Introduction. : El Colegio de México.