Cita APA (7a ed.)

Clancy, T., & Pieczenik, S. (1995). Tom Clancy's op-centre. Harper Collins.

Cita Chicago Style (17a ed.)

Clancy, Tom, y Steve Pieczenik. Tom Clancy's Op-centre. London: Harper Collins, 1995.

Cita MLA (9a ed.)

Clancy, Tom, y Steve Pieczenik. Tom Clancy's Op-centre. Harper Collins, 1995.