APA Style

ADMIRALTY LIST OF RADIO SIGNALS : Maritime Radio Stations The Americas, Far East and Oceania NP281(2) Vol.1 2013/14. (2013). United Kingdom: The United Kingdom Hydrographic Office.

MLA Style

ADMIRALTY LIST OF RADIO SIGNALS : Maritime Radio Stations The Americas, Far East and Oceania NP281(2) Vol.1 2013/14. . United Kingdom: The United Kingdom Hydrographic Office, 2013. Text.