MLA

of the Treasury. Bureau of Statistics, United States. Dept. Africa, Its Political Divisions and Commercial Routes / Norris Peters Co., Photo-Litho., Washington, D.C. U.S. Treasury Department, 1899. https://collections.library.yale.edu/catalog/15532665.

APA, 6th edition

of the Treasury. Bureau of Statistics, U. S. D. (1899). Africa, its political divisions and commercial routes / Norris Peters Co., photo-litho., Washington, D.C. [Maps]. U.S. Treasury Department, https://collections.library.yale.edu/catalog/15532665.