APA (7th ed.) Citation

Sim, R. S., & Powell-Smith, V. (1972). Casebook on contract (2. ed.). Butterworths.

Chicago Style (17th ed.) Citation

Sim, Raymond S., and Vincent Powell-Smith. Casebook on Contract. 2. ed. London: Butterworths, 1972.

MLA (9th ed.) Citation

Sim, Raymond S., and Vincent Powell-Smith. Casebook on Contract. 2. ed. Butterworths, 1972.