Cita APA (7a ed.)

Friedrich, C. J. (1973). The philosophy of law in historical perspective (2nd ed. rev. and enl., [5th imppression].). University of Chicago Press.

Cita Chicago Style (17a ed.)

Friedrich, Carl J. The Philosophy of Law in Historical Perspective. 2nd ed. rev. and enl., [5th imppression]. Chicago [etc.]: University of Chicago Press, 1973.

Cita MLA (9a ed.)

Friedrich, Carl J. The Philosophy of Law in Historical Perspective. 2nd ed. rev. and enl., [5th imppression]. University of Chicago Press, 1973.