APA (7th ed.) Citation

Ballard, R. D., & Archbold, R. (1990). The discovery of the Bismarck. Warner Books.

Chicago Style (17th ed.) Citation

Ballard, Robert D., and Rick Archbold. The Discovery of the Bismarck. New York, N.Y.: Warner Books, 1990.

MLA (9th ed.) Citation

Ballard, Robert D., and Rick Archbold. The Discovery of the Bismarck. Warner Books, 1990.