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.
Citazione stile Chigago Style (17a edizione)Sanchez-Velasquez, Lazaro Rafael, Ma. Del Rosario Pineda-Lopez, e 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.
Citatione MLA (9a 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.
