Cite

Map of Oregon territory / by Samuel Parker.

MLA

Parker, Samuel, 1779-1866. Map of Oregon territory / by Samuel Parker.. BRBL_00532. 1838. https://collections.library.yale.edu/catalog/15812915.

APA, 6th edition

Parker, Samuel, 1779-1866. (["BRBL_00532"])(1838)[Map of Oregon territory / by Samuel Parker.]. https://collections.library.yale.edu/catalog/15812915.