Friedrich, C. J. (1963). The philosophy of law in historical perspective (2d ed.). University of Chicago Press.
Chicago Style (17th ed.) CitationFriedrich, Carl J. The Philosophy of Law in Historical Perspective. 2d ed. [Chicago]: University of Chicago Press, 1963.
MLA (9th ed.) CitationFriedrich, Carl J. The Philosophy of Law in Historical Perspective. 2d ed. University of Chicago Press, 1963.
Warning: These citations may not always be 100% accurate.