MLA

Simpson, Randolph Linsly, 1927-1992. Reynolds, Brunswick, GA Three quarter length formal portrait of soldier in uniform, standing with folded hands. Photographic postcard. Box 25. circa 1917. https://collections.library.yale.edu/catalog/16172742.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 25"])(circa 1917)[Reynolds, Brunswick, GA Three quarter length formal portrait of soldier in uniform, standing with folded hands. Photographic postcard]. https://collections.library.yale.edu/catalog/16172742.