APA (7th ed.) Citation

Criado-Flórez, A., Vega, J. P. G. d. l., Marmol, G. M. d., & Fritz, U. A genetically confirmed hybrid between Natrix astreptophora and N. maura, two deeply divergent and ancient snake species. Pensoft Publishers.

Chicago Style (17th ed.) Citation

Criado-Flórez, Andrea, Juan Pablo González de la Vega, Gabriel Martínez del Marmol, and Uwe Fritz. A Genetically Confirmed Hybrid Between Natrix Astreptophora and N. Maura, Two Deeply Divergent and Ancient Snake Species. Pensoft Publishers.

MLA (9th ed.) Citation

Criado-Flórez, Andrea, et al. A Genetically Confirmed Hybrid Between Natrix Astreptophora and N. Maura, Two Deeply Divergent and Ancient Snake Species. Pensoft Publishers.