Cite

War Bulletin No. 23 : showing the latest battle lines and pictures.

MLA

War Bulletin No. 23 : Showing the Latest Battle Lines and Pictures. The Kenyon Company, 1918. https://collections.library.yale.edu/catalog/15237996.

APA, 6th edition

War Bulletin No. 23 : showing the latest battle lines and pictures. (1918). [Maps]. The Kenyon Company, https://collections.library.yale.edu/catalog/15237996.