Cita APA (7th ed.)
Friedrich, C. J. (1965). The philosophy of law in historical perspective (2d ed.). University of Chicago P..
Cita Chicago (17th ed.)
Friedrich, Carl J. The Philosophy of Law in Historical Perspective. 2d ed. [Chicago]: University of Chicago P., 1965.
Cita MLA (9th ed.)
Friedrich, Carl J. The Philosophy of Law in Historical Perspective. 2d ed. University of Chicago P., 1965.
Atenció: Aquestes cites poden no estar 100% correctes.