Cita APA

Butler, R. (2005). The Black Angels: The Story of the Waffen-SS. Pen & Sword.

Citación estilo Chicago

Butler, Rupert. The Black Angels: The Story of the Waffen-SS. Barnsley: Pen & Sword, 2005.

Cita MLA

Butler, Rupert. The Black Angels: The Story of the Waffen-SS. Pen & Sword, 2005.