Game over (the definitive book about Jehovah's Witnesses) :
new watchmen in the tower.
APA Citation
Minerva Press. (1997). Game over (the definitive book about Jehovah's Witnesses): new watchmen in the tower. London: Minerva Press.
MLA Citation
Minerva Press. Game Over (the Definitive Book About Jehovah's Witnesses): New Watchmen In the Tower. London: Minerva Press, 1997.
Warning: These citations may not always be complete (especially for serials).