APA (7th ed.) Citation

Great Britain. Hydrographic Office. (2018). Symbols and abbreviations used on Admiralty paper charts: NP5011 (INT 1 Format (7th edition.).

Chicago Style (17th ed.) Citation

Great Britain. Hydrographic Office. Symbols and Abbreviations Used on Admiralty Paper Charts: NP5011 (INT 1 Format. 7th edition. 2018.

MLA (9th ed.) Citation

Great Britain. Hydrographic Office. Symbols and Abbreviations Used on Admiralty Paper Charts: NP5011 (INT 1 Format. 7th edition. 2018.

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