MLA

of Statistics, United States. Bureau. Colonies, Dependencies and Protectorates of the World [Cartographic Material] : Showing Area and Population of the Colonies, Dependencies, Protectorates and Spheres of Influence. U.S. Treasury Dept., Bureau of Statistics, 0AD. https://collections.library.yale.edu/catalog/16682146.

APA, 6th edition

of Statistics, U. S. B. (0 C.E.). Colonies, dependencies and protectorates of the world [cartographic material] : showing area and population of the colonies, dependencies, protectorates and spheres of influence. [Annotations (Provenance)--19th century, Maps, World maps]. U.S. Treasury Dept., Bureau of Statistics, https://collections.library.yale.edu/catalog/16682146.