Cita APA (7a ed.)

Friedman, L. M. (2002). American law in the 20th century. Yale University.

Cita Chicago Style (17a ed.)

Friedman, Lawrence M. American Law in the 20th Century. New Haven: Yale University, 2002.

Cita MLA (9a ed.)

Friedman, Lawrence M. American Law in the 20th Century. Yale University, 2002.