APA (7th ed.) Citation

United States. Department of the Navy. (1916). Signal letters of vessels of Navy. GPO.

Chicago Style (17th ed.) Citation

United States. Department of the Navy. Signal Letters of Vessels of Navy. [Washington]: GPO, 1916.

MLA (9th ed.) Citation

United States. Department of the Navy. Signal Letters of Vessels of Navy. GPO, 1916.

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