MLA

Philip, George, and London Geographical Institute Son. Russia in Europe. George Philip & Son, 0AD. https://collections.library.yale.edu/catalog/15474791.

APA, 6th edition

Philip, G., & Son, L. G. I. (0 C.E.). Russia in Europe. [Maps]. George Philip & Son, https://collections.library.yale.edu/catalog/15474791.