Citazione Stile APA (7a Edizione)

Spanier, J. W. (1967). World politics in an age of revolution. Praeger.

Citazione stile Chigago Style (17a edizione)

Spanier, John W. World Politics in an Age of Revolution. New York: Praeger, 1967.

Citatione MLA (9a ed.)

Spanier, John W. World Politics in an Age of Revolution. Praeger, 1967.