Cite

Territory of Nebraska / by H.D. Rogers & A. Keith Johnston ; engraved by W. & A.K. Johnston.

MLA

Rogers, Henry D. (Henry Darwin), 1808-1866. Territory of Nebraska / by H.D. Rogers & A. Keith Johnston ; engraved by W. & A.K. Johnston.. BRBL_00570. [1857?]. https://collections.library.yale.edu/catalog/15814772.

APA, 6th edition

Rogers, Henry D. (Henry Darwin), 1808-1866. (["BRBL_00570"])([1857?])[Territory of Nebraska / by H.D. Rogers & A. Keith Johnston ; engraved by W. & A.K. Johnston.]. https://collections.library.yale.edu/catalog/15814772.