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 (9th ed.) Citation

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