APA (7e ed.) Bronvermelding

LUCAS, J. (1966). The principles of politics. Clarendon Press.

Chicago (17e ed.) Bronvermelding

LUCAS, J.R. The Principles of Politics. Oxford: Clarendon Press, 1966.

MLA (9e ed.) Bronvermelding

LUCAS, J.R. The Principles of Politics. Clarendon Press, 1966.