Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Clancy, Tom. The Sum of All Fears. London: HarperCollins Publishers, 1991.

Cita MLA (8th ed.)

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