APA (7th ed.) Citation

Smith, J. C., & Thomas, J. A. C. (1977). A casebook on contract (6th ed.). Sweet & Maxwell.

Chicago Style (17th ed.) Citation

Smith, J. C., and J. A. C. Thomas. A Casebook on Contract. 6th ed. London: Sweet & Maxwell, 1977.

MLA (8th ed.) Citation

Smith, J. C., and J. A. C. Thomas. A Casebook on Contract. 6th ed. Sweet & Maxwell, 1977.