APA (7th ed.) Citation

Great Britain. Hydrographic Office. (2018). Global maritime distress and safety system (GMDSS) (2018/19.). The United Kingdom Hydrographic Office.

Chicago Style (17th ed.) Citation

Great Britain. Hydrographic Office. Global Maritime Distress and Safety System (GMDSS). 2018/19. Taunton, Somerset: The United Kingdom Hydrographic Office, 2018.

MLA (9th ed.) Citation

Great Britain. Hydrographic Office. Global Maritime Distress and Safety System (GMDSS). 2018/19. The United Kingdom Hydrographic Office, 2018.

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