APA (7th ed.) Citation

Collingwood, R. G., & Boucher, D. (1989). Essays in political philosophy. Clarendon Press Oxford University Press.

Chicago Style (17th ed.) Citation

Collingwood, R. G., and David Boucher. Essays in Political Philosophy. Oxford [England], New York: Clarendon Press Oxford University Press, 1989.

MLA (9th ed.) Citation

Collingwood, R. G., and David Boucher. Essays in Political Philosophy. Clarendon Press Oxford University Press, 1989.