APA (7th ed.) Citation

Varley, G. C., Gradwell, G. R., & Hassell, M. P. (1974). Insect population ecology: An analytical approach. Univ. of California Press.

Chicago Style (17th ed.) Citation

Varley, George C., George R. Gradwell, and Michael Patrick Hassell. Insect Population Ecology: An Analytical Approach. Berkeley, Calif: Univ. of California Press, 1974.

MLA (9th ed.) Citation

Varley, George C., et al. Insect Population Ecology: An Analytical Approach. Univ. of California Press, 1974.