APA (7th ed.) Citation

Hitler, A., & De Roussy de Sales, R. (1973). My new order. Octagon Books.

Chicago Style (17th ed.) Citation

Hitler, Adolf, and Raoul De Roussy de Sales. My New Order. New York: Octagon Books, 1973.

MLA (8th ed.) Citation

Hitler, Adolf, and Raoul De Roussy de Sales. My New Order. Octagon Books, 1973.