APA (7th ed.) Citation

Vulture Study Group, Mundy, P. J., & Butchart, D. (1992). The Vultures of Africa. Academic.

Chicago Style (17th ed.) Citation

Vulture Study Group, P. J. Mundy, and Duncan Butchart. The Vultures of Africa. London ; San Diego: Academic, 1992.

MLA (9th ed.) Citation

Vulture Study Group, et al. The Vultures of Africa. Academic, 1992.