Peralta, Rafael. “First Record of the Cerro Petlalcala Montane Pitviper (Cerrophidion Petlalcalensis) in the State of Puebla, México”. Reptiles & Amphibians 31, no. 1 (December 24, 2024): e22537. Accessed May 13, 2025. https://journals.ku.edu/reptilesandamphibians/article/view/22537.