APA (7th ed.) Citation

Sontag, R. J. (1972). A broken world 1919 - 1939. Harper & Row.

Chicago Style (17th ed.) Citation

Sontag, Raymond James. A Broken World 1919 - 1939. New York: Harper & Row, 1972.

MLA (8th ed.) Citation

Sontag, Raymond James. A Broken World 1919 - 1939. Harper & Row, 1972.

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