APA (7th ed.) Citation

United States. Department of Commerce. (1940). Boarding of vessels. [s.n.].

Chicago Style (17th ed.) Citation

United States. Department of Commerce. Boarding of Vessels. [Washington]: [s.n.], 1940.

MLA (9th ed.) Citation

United States. Department of Commerce. Boarding of Vessels. [s.n.], 1940.

Warning: These citations may not always be 100% accurate.