Cite

Map of the Franco-German war front : from Hirson, France to Basel, Switzerland, and the Russo-German war front from Riga, Russia, to Lemberg, Austria / Published for the Volume Library.

MLA

Co, Geographical Publishing. Map of the Franco-German War Front : from Hirson, France to Basel, Switzerland, and the Russo-German War Front from Riga, Russia, to Lemberg, Austria / Published for the Volume Library. Geographical Publishing Co., 1917. https://collections.library.yale.edu/catalog/15237940.

APA, 6th edition

Co, G. P. (1917). Map of the Franco-German war front : from Hirson, France to Basel, Switzerland, and the Russo-German war front from Riga, Russia, to Lemberg, Austria / Published for the Volume Library. [Maps]. Geographical Publishing Co., https://collections.library.yale.edu/catalog/15237940.