Cita APA (7th ed.)

Posner, R. A. (2007). Economic analysis of law (7th ed.). Aspen Pub.

Cita Chicago (17th ed.)

Posner, Richard A. Economic Analysis of Law. 7th ed. New York: Aspen Pub, 2007.

Cita MLA (9th ed.)

Posner, Richard A. Economic Analysis of Law. 7th ed. Aspen Pub, 2007.