Cite

Gulf coast of the United States, Key West to Rio Grande.

MLA

Survey, United States Coast. Gulf Coast of the United States, Key West to Rio Grande. U.S. Coast Survey], 1863. https://collections.library.yale.edu/catalog/15603701.

APA, 6th edition

Survey, U. S. C. (1863). Gulf coast of the United States, Key West to Rio Grande. [Maps]. U.S. Coast Survey], https://collections.library.yale.edu/catalog/15603701.