APA (7th ed.) Citation

United States. Defense Mapping Agency. Hydrographic Center. (1976). Sailing directions (enroute) for Nova Scotia, and the St. Lawrence. Defense Mapping Agency, Hydrographic Center.

Chicago Style (17th ed.) Citation

United States. Defense Mapping Agency. Hydrographic Center. Sailing Directions (enroute) for Nova Scotia, and the St. Lawrence. Washington: Defense Mapping Agency, Hydrographic Center, 1976.

MLA (9th ed.) Citation

United States. Defense Mapping Agency. Hydrographic Center. Sailing Directions (enroute) for Nova Scotia, and the St. Lawrence. Defense Mapping Agency, Hydrographic Center, 1976.

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