APA (7th ed.) Citation

Great Britain. Directorate of Overseas Surveys. (1964). Saint Lucia; the West Indies (1st ed.-D.O.S.). The Directorate.

Chicago Style (17th ed.) Citation

Great Britain. Directorate of Overseas Surveys. Saint Lucia; the West Indies. 1st ed.-D.O.S. Tolworth, Surrey: The Directorate, 1964.

MLA (9th ed.) Citation

Great Britain. Directorate of Overseas Surveys. Saint Lucia; the West Indies. 1st ed.-D.O.S. The Directorate, 1964.