Sanchez-Velasquez, L. R., Pineda-Lopez, M. D. R., & Hernandez-Martinez, A. (1995). Distribution and structure of the population of Abies religiosa (H.B.K.) Schl. et Cham., in the Cofre de Perote, State of Veracruz, Mexico. Instituto de Ecología, A.C.
Cita Chicago (17th ed.)Sanchez-Velasquez, Lazaro Rafael, Ma. Del Rosario Pineda-Lopez, i Amador Hernandez-Martinez. Distribution and Structure of the Population of Abies Religiosa (H.B.K.) Schl. Et Cham., in the Cofre De Perote, State of Veracruz, Mexico. Instituto de Ecología, A.C, 1995.
Cita MLA (9th ed.)Sanchez-Velasquez, Lazaro Rafael, et al. Distribution and Structure of the Population of Abies Religiosa (H.B.K.) Schl. Et Cham., in the Cofre De Perote, State of Veracruz, Mexico. Instituto de Ecología, A.C, 1995.
