[Detail showng mouth of the Columbia River in the south to just north of Queen Charlotte Island from the "Map of the Western & Middle Portions of North America, to illustrate the History of California, Oregon and other countries on the North-West coast of
MLA
Greenhow, Robert, 1800-1854. [Detail showng mouth of the Columbia River in the south to just north of Queen Charlotte Island from the "Map of the Western & Middle Portions of North America, to illustrate the History of California, Oregon and other countries on the North-West coast of. 1844. https://collections.library.yale.edu/catalog/2002781.
APA, 6th edition
Greenhow, Robert, 1800-1854. (1844)[[Detail showng mouth of the Columbia River in the south to just north of Queen Charlotte Island from the "Map of the Western & Middle Portions of North America, to illustrate the History of California, Oregon and other countries on the North-West coast of]. https://collections.library.yale.edu/catalog/2002781.
