APA (7th ed.) Citation

Clancy & Pieczenik. (1997). Tom clancy's Op-Centre acts of war. Harper Collins.

Chicago Style (17th ed.) Citation

Clancy and Pieczenik. Tom Clancy's Op-Centre Acts of War. London: Harper Collins, 1997.

MLA (8th ed.) Citation

Clancy and Pieczenik. Tom Clancy's Op-Centre Acts of War. Harper Collins, 1997.

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