APA (7th ed.) Citation

Eckstein. (1964). Internal war: Problems and approaches. The Free Press.

Chicago Style (17th ed.) Citation

Eckstein. Internal War: Problems and Approaches. New York: The Free Press, 1964.

MLA (8th ed.) Citation

Eckstein. Internal War: Problems and Approaches. The Free Press, 1964.

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