Cita APA (7th ed.)

Clancy, T., & Pieczenik, S. R. (1995). Tom Clancy's Op-center. Berkley Books.

Cita Chicago (17th ed.)

Clancy, Tom, i Steve R. Pieczenik. Tom Clancy's Op-center. New York: Berkley Books, 1995.

Cita MLA (9th ed.)

Clancy, Tom, i Steve R. Pieczenik. Tom Clancy's Op-center. Berkley Books, 1995.