APA stil citiranja

Posner, R. A. (1990). Problems of jurisprudence: Problems of jurisprudence. London ; Cambridge, Mass.: Harvard University Press.

Chicago stil citiranja

Posner, Richard A. Problems of jurisprudence: Problems of jurisprudence. London ; Cambridge, Mass.: Harvard University Press, 1990.

MLA stil citiranja

Posner, Richard A. Problems of jurisprudence: Problems of jurisprudence. London ; Cambridge, Mass.: Harvard University Press, 1990.