Cita APA (7th ed.)

Letwin, S. R. On the History of the Idea of Law. Cambridge University Press.

Cita Chicago (17th ed.)

Letwin, Shirley Robin. On the History of the Idea of Law. New York: Cambridge University Press.

Cita MLA (9th ed.)

Letwin, Shirley Robin. On the History of the Idea of Law. Cambridge University Press.