David, P., Ananjeva, N. B., Das, I., & Golubev, M. L. (1999). Translation of the Original Description of Vipera obtusa Dwigubsky, 1832 (Serpentes: Viperidae: Viperinae), with Designation of a Neotype. Folium Publishing Company.
Chicago Style (17th ed.) CitationDavid, Patrick, Natalia B. Ananjeva, I. Das, and Michael L. Golubev. Translation of the Original Description of Vipera Obtusa Dwigubsky, 1832 (Serpentes: Viperidae: Viperinae), with Designation of a Neotype. Folium Publishing Company, 1999.
MLA (9th ed.) CitationDavid, Patrick, et al. Translation of the Original Description of Vipera Obtusa Dwigubsky, 1832 (Serpentes: Viperidae: Viperinae), with Designation of a Neotype. Folium Publishing Company, 1999.
Warning: These citations may not always be 100% accurate.