Citazione Stile APA (7a Edizione)

Rugg, H. O. (1937). Changing governments and changing cultures: Democracy versus dictatorship: the world struggle (New ed.). Ginn.

Citazione stile Chigago Style (17a edizione)

Rugg, Harold Ordway. Changing Governments and Changing Cultures: Democracy Versus Dictatorship: The World Struggle. New ed. Boston [u.a.]: Ginn, 1937.

Citatione MLA (9a ed.)

Rugg, Harold Ordway. Changing Governments and Changing Cultures: Democracy Versus Dictatorship: The World Struggle. New ed. Ginn, 1937.