APA (7th ed.) Citation

Cross, W. L. (1991). Zeppelins of World War I: [the dramatic story of Germany's lethal airships] (1. ed.). Paragon House.

Chicago Style (17th ed.) Citation

Cross, Wilbur L. Zeppelins of World War I: [the Dramatic Story of Germany's Lethal Airships]. 1. ed. New York: Paragon House, 1991.

MLA (9th ed.) Citation

Cross, Wilbur L. Zeppelins of World War I: [the Dramatic Story of Germany's Lethal Airships]. 1. ed. Paragon House, 1991.