APA (7th ed.) Citation

Harding, K. A., & Welch, K. R. G. (1980). Venomous snakes of the world: A checklist. Pergamon Press.

Chicago Style (17th ed.) Citation

Harding, Keith A., and Kenneth R. G. Welch. Venomous Snakes of the World: A Checklist. Oxford: Pergamon Press, 1980.

MLA (9th ed.) Citation

Harding, Keith A., and Kenneth R. G. Welch. Venomous Snakes of the World: A Checklist. Pergamon Press, 1980.