Great Britain. Hydrographic Department & Great Britain. Hydrographic Office. Admiralty list of radio signals. Hydrographic Office.
Chicago Style (17th ed.) CitationGreat Britain. Hydrographic Department and Great Britain. Hydrographic Office. Admiralty List of Radio Signals. London: Hydrographic Office.
MLA (9th ed.) CitationGreat Britain. Hydrographic Department and Great Britain. Hydrographic Office. Admiralty List of Radio Signals. Hydrographic Office.
Warning: These citations may not always be 100% accurate.