Cite

Section of Long Island Sound : Oyster grounds, Bridgeport to Greenwich.

MLA

Section of Long Island Sound : Oyster Grounds, Bridgeport to Greenwich. State Shell Fish Commission, 1904. https://collections.library.yale.edu/catalog/15827403.

APA, 6th edition

Section of Long Island Sound : Oyster grounds, Bridgeport to Greenwich. (1904). [Maps]. State Shell Fish Commission, https://collections.library.yale.edu/catalog/15827403.