APA-viite

Levi, W. (1974). International politics: Foundations of the system. University of Minnesota Press.

Chicago-tyylinen lähdeviittaus

Levi, Werner. International Politics: Foundations of the System. Minneapolis: University of Minnesota Press, 1974.

MLA-viite

Levi, Werner. International Politics: Foundations of the System. University of Minnesota Press, 1974.