The Watchtower.
APA Citation
Watch Tower Bible and Tract Society of Pennsylvania., Watch Tower Bible and Tract Society. The Watchtower. Brooklyn, N.Y.: Watch Tower Bible and Tract Society of Pennsylvania .
MLA Citation
Watch Tower Bible and Tract Society of Pennsylvania, and Watch Tower Bible and Tract Society. The Watchtower. Brooklyn, N.Y.: Watch Tower Bible and Tract Society of Pennsylvania ,
Warning: These citations may not always be complete (especially for serials).