APA aipamena

Zavala Chavez, F., & Mendez Montiel, J. T. (1996). Factors affecting seed production in Pseudotsuga macrolepis flous in the state of Hidalgo, Mexico. Instituto de Ecología, A.C.

Chicago Style aipamena

Zavala Chavez, Fernando, and Jose Tulio Mendez Montiel. Factors Affecting Seed Production in Pseudotsuga Macrolepis Flous in the State of Hidalgo, Mexico. Instituto de Ecología, A.C, 1996.

MLA aipamena

Zavala Chavez, Fernando, and Jose Tulio Mendez Montiel. Factors Affecting Seed Production in Pseudotsuga Macrolepis Flous in the State of Hidalgo, Mexico. Instituto de Ecología, A.C, 1996.