APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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