APA (7th ed.) Citation

Clancy. (1991). The sum of all fears. Berkley Book.

Chicago Style (17th ed.) Citation

Clancy. The Sum of All Fears. New York: Berkley Book, 1991.

MLA (8th ed.) Citation

Clancy. The Sum of All Fears. Berkley Book, 1991.

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