APA (7th ed.) Citation

United States. Shipping Board. (1928). Adequate merchant marine; indispensable factor in expansion of our foreign trade and for national security. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Shipping Board. Adequate Merchant Marine; Indispensable Factor in Expansion of Our Foreign Trade and for National Security. Washington: U.S. GPO, 1928.

MLA (9th ed.) Citation

United States. Shipping Board. Adequate Merchant Marine; Indispensable Factor in Expansion of Our Foreign Trade and for National Security. U.S. GPO, 1928.