Cita APA (7a ed.)

Treitel, G. H. (1984). An outline of the law of contract (3rd ed.). Butterworth.

Cita Chicago Style (17a ed.)

Treitel, Guenter Heinz. An Outline of the Law of Contract. 3rd ed. London: Butterworth, 1984.

Cita MLA (9a ed.)

Treitel, Guenter Heinz. An Outline of the Law of Contract. 3rd ed. Butterworth, 1984.