Cite

Historical map American Expeditionary Force : showing battle lines, base ports, communications and Allied zones / cartographer Ezra C. Stiles ; historian Paul C. Bowman.

MLA

Bowman, Paul C., et al. Historical Map American Expeditionary Force : Showing Battle Lines, Base Ports, Communications and Allied Zones / Cartographer Ezra C. Stiles ; Historian Paul C. Bowman. s.n., 1932. https://collections.library.yale.edu/catalog/15238010.

APA, 6th edition

Bowman, P. C., Stiles, E. C., & Forces, U. S. A. A. E. (1932). Historical map American Expeditionary Force : showing battle lines, base ports, communications and Allied zones / cartographer Ezra C. Stiles ; historian Paul C. Bowman. [Historical maps--Europe--1914-1918, Maps]. s.n., https://collections.library.yale.edu/catalog/15238010.