APA (7th ed.) Citation

Schnell, W. J. (1960). Thirty years a watch tower slave: The confessions of a converted Jehovah's witness (7. print.). Baker Book House.

Chicago Style (17th ed.) Citation

Schnell, William J. Thirty Years a Watch Tower Slave: The Confessions of a Converted Jehovah's Witness. 7. print. Grand Rapids, Mich: Baker Book House, 1960.

MLA (8th ed.) Citation

Schnell, William J. Thirty Years a Watch Tower Slave: The Confessions of a Converted Jehovah's Witness. 7. print. Baker Book House, 1960.