United States coast pilot,
Gulf coast, Key West to Rio Grande.

APA Citation

U.S. Coast and Geodetic Survey. (1949). United States coast pilot: Gulf coast, Key West to Rio Grande. 3d (1939) ed. Washington: U.S. Govt. Print. Off..

MLA Citation

U.S. Coast and Geodetic Survey. United States Coast Pilot: Gulf Coast, Key West to Rio Grande. 3d (1939) ed. Washington: U.S. Govt. Print. Off., 1949.

Warning: These citations may not always be complete (especially for serials).