Gulf of Maine, current stations / United States Coast Survey.
MLA
Survey, United States Coast. Gulf of Maine, Current Stations / United States Coast Survey. The Survey, 1883. https://collections.library.yale.edu/catalog/15607017.
APA, 6th edition
Survey, U. S. C. (1883). Gulf of Maine, current stations / United States Coast Survey. [Nautical charts]. The Survey, https://collections.library.yale.edu/catalog/15607017.