APA (7th ed.) Citation

Pollock, F., & Winfield, P. H. (1950). Principles of contract (13th ed.). Stevens.

Chicago Style (17th ed.) Citation

Pollock, Frederick, and Percy Henry Winfield. Principles of Contract. 13th ed. London: Stevens, 1950.

MLA (9th ed.) Citation

Pollock, Frederick, and Percy Henry Winfield. Principles of Contract. 13th ed. Stevens, 1950.