APA (7th ed.) Citation

Cowen, R. C. (1969). Frontiers of the sea: The story of oceanographic exploration (Rev. ed.). Doubleday.

Chicago Style (17th ed.) Citation

Cowen, Robert C. Frontiers of the Sea: The Story of Oceanographic Exploration. Rev. ed. Garden City, N.Y.: Doubleday, 1969.

MLA (9th ed.) Citation

Cowen, Robert C. Frontiers of the Sea: The Story of Oceanographic Exploration. Rev. ed. Doubleday, 1969.