Cita APA (7a ed.)

Treitel, G. H. (2002). Some landmarks of twentieth century contract law. Clarendon Press ; Oxford University Press.

Cita Chicago Style (17a ed.)

Treitel, G. H. Some Landmarks of Twentieth Century Contract Law. Oxford : New York: Clarendon Press ; Oxford University Press, 2002.

Cita MLA (9a ed.)

Treitel, G. H. Some Landmarks of Twentieth Century Contract Law. Clarendon Press ; Oxford University Press, 2002.