Cite

Situation map June '18 / Prepared by G-2 (A-3), American Exp. Forces.

MLA

Situation Map June '18 / Prepared by G-2 (A-3), American Exp. Forces. American Exp. Forces, 0AD. https://collections.library.yale.edu/catalog/15237973.

APA, 6th edition

Situation map June '18 / Prepared by G-2 (A-3), American Exp. Forces. (0 C.E.). [Maps]. American Exp. Forces, https://collections.library.yale.edu/catalog/15237973.