Cite

A geological map of Rhode-Island. By Charles T. Jackson. 1840.

MLA

A Geological Map of Rhode-Island. By Charles T. Jackson. 1840. C. Cook, 0AD. https://collections.library.yale.edu/catalog/15654706.

APA, 6th edition

A geological map of Rhode-Island. By Charles T. Jackson. 1840. (0 C.E.). [Maps]. C. Cook, https://collections.library.yale.edu/catalog/15654706.