Citazione Stile APA (7a Edizione)

Parkinson, F. (1977). The philosophy of international relations: A study in the history of thought. Sage Publications.

Citazione stile Chigago Style (17a edizione)

Parkinson, F. The Philosophy of International Relations: A Study in the History of Thought. Beverly Hills ; London: Sage Publications, 1977.

Citatione MLA (9a ed.)

Parkinson, F. The Philosophy of International Relations: A Study in the History of Thought. Sage Publications, 1977.