APA (7th ed.) Citation

Gruss, E. C. (2003). The four presidents of the Watch Tower Society (Jehovah's Witnesses): The men and the organization they created. Xulon Press.

Chicago Style (17th ed.) Citation

Gruss, Edmond C. The Four Presidents of the Watch Tower Society (Jehovah's Witnesses): The Men and the Organization They Created. s. l: Xulon Press, 2003.

MLA (9th ed.) Citation

Gruss, Edmond C. The Four Presidents of the Watch Tower Society (Jehovah's Witnesses): The Men and the Organization They Created. Xulon Press, 2003.