APA (7th ed.) Citation

Clancy, T. (1991). The sum of all fears. HarperCollins.

Chicago Style (17th ed.) Citation

Clancy, Tom. The Sum of All Fears. [S.l.]: HarperCollins, 1991.

MLA (9th ed.) Citation

Clancy, Tom. The Sum of All Fears. HarperCollins, 1991.

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