APA (7th ed.) Citation

Ludwig, E., Paul, E., & Paul, C. (1929). Bismarck: The story of a fighter. Little, Brown, and Co.

Chicago Style (17th ed.) Citation

Ludwig, Emil, Eden Paul, and Cedar Paul. Bismarck: The Story of a Fighter. Boston: Little, Brown, and Co, 1929.

MLA (9th ed.) Citation

Ludwig, Emil, et al. Bismarck: The Story of a Fighter. Little, Brown, and Co, 1929.