APA (7th ed.) Citation

Phelps, E. M. (1920). Selected articles on the American merchant marine (2d and enl. ed.). The H.W. Wilson company.

Chicago Style (17th ed.) Citation

Phelps, Edith May. Selected Articles on the American Merchant Marine. 2d and enl. ed. New York: The H.W. Wilson company, 1920.

MLA (9th ed.) Citation

Phelps, Edith May. Selected Articles on the American Merchant Marine. 2d and enl. ed. The H.W. Wilson company, 1920.