Great Britain. Directorate of Overseas Surveys & Sierra Leone. Geological Survey Department. (1960). Geological Sierra Leone. [publisher not identified].
Chicago Style (17th ed.) CitationGreat Britain. Directorate of Overseas Surveys and Sierra Leone. Geological Survey Department. Geological Sierra Leone. [Tolworth, Surrey]: [publisher not identified], 1960.
MLA (9th ed.) CitationGreat Britain. Directorate of Overseas Surveys and Sierra Leone. Geological Survey Department. Geological Sierra Leone. [publisher not identified], 1960.
Warning: These citations may not always be 100% accurate.