APA (7th ed.) Citation

United States. National Geospatial-Intelligence Agency. (2004). Sailing directions (enroute): East Africa and the South Indian Ocean (8th ed.). National Geospatial-Intelligence Agency.

Chicago Style (17th ed.) Citation

United States. National Geospatial-Intelligence Agency. Sailing Directions (enroute): East Africa and the South Indian Ocean. 8th ed. Bethesda, MD.: National Geospatial-Intelligence Agency, 2004.

MLA (9th ed.) Citation

United States. National Geospatial-Intelligence Agency. Sailing Directions (enroute): East Africa and the South Indian Ocean. 8th ed. National Geospatial-Intelligence Agency, 2004.