APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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