APA (7th ed.) Citation

Blower, J. G., Cook, L. M., & Bishop, J. A. (1981). Estimating the size of animal populations. George Allen and Unwin.

Chicago Style (17th ed.) Citation

Blower, J. Gordon, Laurence Martin Cook, and James A. Bishop. Estimating the Size of Animal Populations. London: George Allen and Unwin, 1981.

MLA (9th ed.) Citation

Blower, J. Gordon, et al. Estimating the Size of Animal Populations. George Allen and Unwin, 1981.