APA (7th ed.) Citation

Calamari, J. D., Perillo, J. M., & Bender, H. H. (1989). Cases and problems on contracts (2. ed.). West Publ.

Chicago Style (17th ed.) Citation

Calamari, John D., Joseph M. Perillo, and Helen Hadjiyannakis Bender. Cases and Problems on Contracts. 2. ed. St. Paul, Minn: West Publ, 1989.

MLA (9th ed.) Citation

Calamari, John D., et al. Cases and Problems on Contracts. 2. ed. West Publ, 1989.