APA (7th ed.) Citation

Great Britain. Directorate of Overseas Surveys. (1972). Guyana. [publisher not identified].

Chicago Style (17th ed.) Citation

Great Britain. Directorate of Overseas Surveys. Guyana. [Tolworth, Surrey]: [publisher not identified], 1972.

MLA (9th ed.) Citation

Great Britain. Directorate of Overseas Surveys. Guyana. [publisher not identified], 1972.

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