APA-viite

William Weir. (2006). 50 battles that changed the world. Bounty Books.

Chicago-tyylinen lähdeviittaus

William Weir. 50 Battles That Changed the World. London: Bounty Books, 2006.

MLA-viite

William Weir. 50 Battles That Changed the World. Bounty Books, 2006.