MLA

San Francisco Bay Exposition Company, White, and Ruth Taylor. A Cartograph of Treasure Island in San Francisco Bay. San Francisco Bay Exposition, 0AD. https://collections.library.yale.edu/catalog/2020745.

APA, 6th edition

San Francisco Bay Exposition Company, W., & Taylor, R. (0 C.E.). A cartograph of Treasure Island in San Francisco Bay. [Bird's-eye views, Illustrations, Maps, Posters]. San Francisco Bay Exposition. https://collections.library.yale.edu/catalog/2020745.