APA aipamena

Palacios Chavez, R., & Rzedowski, J. (1993). Palynological study of the fossil floras of the Lower Miocene and early Middle Miocene of the Pichucalco region, Chiapas, Mexico. Instituto de Ecología, A.C.

Chicago Style aipamena

Palacios Chavez, Rodolfo, and Jerzy Rzedowski. Palynological Study of the Fossil Floras of the Lower Miocene and Early Middle Miocene of the Pichucalco Region, Chiapas, Mexico. Instituto de Ecología, A.C, 1993.

MLA aipamena

Palacios Chavez, Rodolfo, and Jerzy Rzedowski. Palynological Study of the Fossil Floras of the Lower Miocene and Early Middle Miocene of the Pichucalco Region, Chiapas, Mexico. Instituto de Ecología, A.C, 1993.