APA (7th ed.) Citation

Broadley, D. G., & Cock, E. V. (1989). Snakes of Zimbabwe (Rev. ed.). Longman.

Chicago Style (17th ed.) Citation

Broadley, Donald G., and E. V. Cock. Snakes of Zimbabwe. Rev. ed. Harare: Longman, 1989.

MLA (9th ed.) Citation

Broadley, Donald G., and E. V. Cock. Snakes of Zimbabwe. Rev. ed. Longman, 1989.