Citazione Stile APA (7a Edizione)

Friedrich, C. J. (1963). Man and his government: An empirical theory of politics. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Friedrich, Carl Joachim. Man and His Government: An Empirical Theory of Politics. New York: McGraw-Hill, 1963.

Citatione MLA (9a ed.)

Friedrich, Carl Joachim. Man and His Government: An Empirical Theory of Politics. McGraw-Hill, 1963.