APA (7th ed.) Citation

Ballard, R. D., & Archbold, R. (1989). The discovery of the Titanic (1. paperback ed.). Hodder & Stoughton [u.a.].

Chicago Style (17th ed.) Citation

Ballard, Robert D., and Rick Archbold. The Discovery of the Titanic. 1. paperback ed. London [u.a.]: Hodder & Stoughton [u.a.], 1989.

MLA (9th ed.) Citation

Ballard, Robert D., and Rick Archbold. The Discovery of the Titanic. 1. paperback ed. Hodder & Stoughton [u.a.], 1989.