Cite

Unknown French photographer Formal half length portrait of soldier soft hat and gloves, standing behind elaborate chair back. Photographic postcard

MLA

Simpson, Randolph Linsly, 1927-1992. Unknown French photographer Formal half length portrait of soldier soft hat and gloves, standing behind elaborate chair back. Photographic postcard. Box 25. circa 1918. https://collections.library.yale.edu/catalog/16172737.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 25"])(circa 1918)[Unknown French photographer Formal half length portrait of soldier soft hat and gloves, standing behind elaborate chair back. Photographic postcard]. https://collections.library.yale.edu/catalog/16172737.