Dawkins, M. S., & Manning, A. (1997). An introduction to animal behaviour (4th ed.). Cambridge University Press.

Dawkins, Marian Stamp, and Aubrey Manning. An Introduction to Animal Behaviour. 4th ed. Cambridge: Cambridge University Press, 1997.

Dawkins, Marian Stamp, and Aubrey Manning. An Introduction to Animal Behaviour. 4th ed. Cambridge University Press, 1997.