Citazione Stile APA (7a Edizione)

Penrose, E. F. (1965). The revolution in international relations: A study in the changing nature and balance of power. Cass.

Citazione stile Chigago Style (17a edizione)

Penrose, Ernest Francis. The Revolution in International Relations: A Study in the Changing Nature and Balance of Power. [London]: Cass, 1965.

Citatione MLA (9a ed.)

Penrose, Ernest Francis. The Revolution in International Relations: A Study in the Changing Nature and Balance of Power. Cass, 1965.