APA (7th ed.) Citation

Parsons, T., & Kellen, W. V. (1883). The law of contracts (Seventh edition.). Little, Brown, and Company.

Chicago Style (17th ed.) Citation

Parsons, Theophilus, and William Vail Kellen. The Law of Contracts. Seventh edition. Boston: Little, Brown, and Company, 1883.

MLA (8th ed.) Citation

Parsons, Theophilus, and William Vail Kellen. The Law of Contracts. Seventh edition. Little, Brown, and Company, 1883.