APA

U.S. Coast and Geodetic Survey, .West Indies, south coast of Puerto Rico, Guanica Light to Punta Tuna Light. Washington, D.C: U.S. Dept. of Commerce, NOAA, Coast and Geodetic Survey.

Chicago

U.S. Coast and Geodetic Survey, .West Indies, south coast of Puerto Rico, Guanica Light to Punta Tuna Light. Washington, D.C: U.S. Dept. of Commerce, NOAA, Coast and Geodetic Survey.

Harvard

U.S. Coast and Geodetic Survey, .West Indies, south coast of Puerto Rico, Guanica Light to Punta Tuna Light. Washington, D.C: U.S. Dept. of Commerce, NOAA, Coast and Geodetic Survey.

MLA

U.S. Coast and Geodetic Survey, .Washington, D.C: U.S. Dept. of Commerce, NOAA, Coast and Geodetic Survey. .