APA (7th ed.) Citation

ScienceDirect (Online service), Buckley, E. E., & Bücherl, W. (1971). Venomous animals and their venoms. Academic.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), E. E. Buckley, and Wolfgang Bücherl. Venomous Animals and Their Venoms. New York: Academic, 1971.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Venomous Animals and Their Venoms. Academic, 1971.