MLA

Waring, Charles, and Co. Map of East Tennessee & Western North Carolina : Showing Mineral Deposits in Vicinity of Knoxville, Tenn. / Drawn by Charles Waring & Co. [The Company] ;, Am. Photo-Lithographic Co., 1876. https://collections.library.yale.edu/catalog/15814320.

APA, 6th edition

Waring, C., & C. (1876). Map of east Tennessee & western North Carolina : showing mineral deposits in vicinity of Knoxville, Tenn. / drawn by Charles Waring & Co. [Maps]. [The Company] ;, Am. Photo-Lithographic Co., https://collections.library.yale.edu/catalog/15814320.