Cita APA

Silving, H., & Silving, H. (1968). Sources of law. New York, New York: W.S. Hein.

Citación estilo Chicago

Silving, Helen, y Helen Silving. Sources of Law. New York, New York: W.S. Hein, 1968.

Cita MLA

Silving, Helen, y Helen Silving. Sources of Law. New York, New York: W.S. Hein, 1968.