APA (7th ed.) Citation

United States. Department of the Navy. (1925). U.S. naval radio operating signals, C.S.P. 417-E. GPO.

Chicago Style (17th ed.) Citation

United States. Department of the Navy. U.S. Naval Radio Operating Signals, C.S.P. 417-E. [Washington]: GPO, 1925.

MLA (9th ed.) Citation

United States. Department of the Navy. U.S. Naval Radio Operating Signals, C.S.P. 417-E. GPO, 1925.

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