APA (7th ed.) Citation

Koehl, R. L. (1953). A prelude to Hitler's Greater Germany. The American historical review. - American Historical Association.

Chicago Style (17th ed.) Citation

Koehl, Robert Lewis. "A Prelude to Hitler's Greater Germany." The American Historical Review. - American Historical Association 1953.

MLA (8th ed.) Citation

Koehl, Robert Lewis. "A Prelude to Hitler's Greater Germany." The American Historical Review. - American Historical Association, 1953.

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