APA (7th ed.) Citation

Butler, R. (1979). The black angels: A history of the Waffen-SS. St. Martin's Press.

Chicago Style (17th ed.) Citation

Butler, Rupert. The Black Angels: A History of the Waffen-SS. New York, N.Y: St. Martin's Press, 1979.

MLA (8th ed.) Citation

Butler, Rupert. The Black Angels: A History of the Waffen-SS. St. Martin's Press, 1979.