APA (7th ed.) Citation

(1941). International politics. The western state system in transition. New York etc..

Chicago Style (17th ed.) Citation

International Politics. The Western State System in Transition. New York etc., 1941.

MLA (8th ed.) Citation

International Politics. The Western State System in Transition. New York etc., 1941.

Warning: These citations may not always be 100% accurate.