APA (7th ed.) Citation

Great Britain. Directorate of Overseas Surveys. (1963). British Honduras, 1: 250,000 (2nd ed.). Directorate of Overseas Surveys.

Chicago Style (17th ed.) Citation

Great Britain. Directorate of Overseas Surveys. British Honduras, 1: 250,000. 2nd ed. Tolworth, Surrey: Directorate of Overseas Surveys, 1963.

MLA (9th ed.) Citation

Great Britain. Directorate of Overseas Surveys. British Honduras, 1: 250,000. 2nd ed. Directorate of Overseas Surveys, 1963.