APA (7th ed.) Citation

Casey, W. (1988). The Secret War Against Hitler. Berkley Books.

Chicago Style (17th ed.) Citation

Casey, William. The Secret War Against Hitler. New York: Berkley Books, 1988.

MLA (8th ed.) Citation

Casey, William. The Secret War Against Hitler. Berkley Books, 1988.

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