APA (7th ed.) Citation

United States. National Geospatial-Intelligence Agency. (2004). Sailing directions (enroute): Ireland and the west coast of England (9th ed.). National Geospatial-Intelligence Agency.

Chicago Style (17th ed.) Citation

United States. National Geospatial-Intelligence Agency. Sailing Directions (enroute): Ireland and the West Coast of England. 9th ed. [Bethesda, Md.]: National Geospatial-Intelligence Agency, 2004.

MLA (9th ed.) Citation

United States. National Geospatial-Intelligence Agency. Sailing Directions (enroute): Ireland and the West Coast of England. 9th ed. National Geospatial-Intelligence Agency, 2004.