APA (7th ed.) Citation

Collins, H. (1997). The law of contract (3rd ed.). Butterworths.

Chicago Style (17th ed.) Citation

Collins, Hugh. The Law of Contract. 3rd ed. London [etc.]: Butterworths, 1997.

MLA (9th ed.) Citation

Collins, Hugh. The Law of Contract. 3rd ed. Butterworths, 1997.