APA (7th ed.) Citation

National Ocean Survey. West Indies, Puerto Rico--east coast, Pasaje de San Juan to Puerto de Humacao and western part of Isla de Vieques. U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Survey.

Chicago Style (17th ed.) Citation

National Ocean Survey. West Indies, Puerto Rico--east Coast, Pasaje De San Juan to Puerto De Humacao and Western Part of Isla De Vieques. Washington, D.C.: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Survey.

MLA (9th ed.) Citation

National Ocean Survey. West Indies, Puerto Rico--east Coast, Pasaje De San Juan to Puerto De Humacao and Western Part of Isla De Vieques. U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Survey.