APA-referens (7:e uppl.)

Williams, A. R. (2014). The Kaiser's captive: In the claws of the German Eagle. Pen & Sword Military.

Chicago-referens (17:e uppl.)

Williams, Albert Rhys. The Kaiser's Captive: In the Claws of the German Eagle. South Yorkshire, [England] ; New York, [New York]: Pen & Sword Military, 2014.

MLA-referens (9:e uppl.)

Williams, Albert Rhys. The Kaiser's Captive: In the Claws of the German Eagle. Pen & Sword Military, 2014.