APA (7th ed.) Citation

United States. Navy Department. (1913). Signal letters of vessels of Navy. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Navy Department. Signal Letters of Vessels of Navy. Washington: [publisher not identified], 1913.

MLA (9th ed.) Citation

United States. Navy Department. Signal Letters of Vessels of Navy. [publisher not identified], 1913.

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