APA (7th ed.) Citation

Cross, W. (1959). Challengers of the deep; the story of submarines. W. Sloane Associates.

Chicago Style (17th ed.) Citation

Cross, Wilbur. Challengers of the Deep; the Story of Submarines. New York: W. Sloane Associates, 1959.

MLA (9th ed.) Citation

Cross, Wilbur. Challengers of the Deep; the Story of Submarines. W. Sloane Associates, 1959.