APA (7th ed.) Citation

Posner, R. A. (1977). Economic analysis of law (2d ed.). Little, Brown.

Chicago Style (17th ed.) Citation

Posner, Richard A. Economic Analysis of Law. 2d ed. Boston: Little, Brown, 1977.

MLA (8th ed.) Citation

Posner, Richard A. Economic Analysis of Law. 2d ed. Little, Brown, 1977.