APA (7th ed.) Citation

Great Britain. Directorate of Overseas Surveys. (1961). The West Indies 1: 25,000 (1st ed.-D.O.S.). Directorate of Overseas Surveys.

Chicago Style (17th ed.) Citation

Great Britain. Directorate of Overseas Surveys. The West Indies 1: 25,000. 1st ed.-D.O.S. Tolworth, Surrey: Directorate of Overseas Surveys, 1961.

MLA (9th ed.) Citation

Great Britain. Directorate of Overseas Surveys. The West Indies 1: 25,000. 1st ed.-D.O.S. Directorate of Overseas Surveys, 1961.