Cite

Unknown photographer Soldier standing with rifle at "port arms" and full equipment, palm thatched hut in background. Photographic postcard

MLA

Simpson, Randolph Linsly, 1927-1992. Unknown photographer Soldier standing with rifle at "port arms" and full equipment, palm thatched hut in background. Photographic postcard. Box 25. circa 1917. https://collections.library.yale.edu/catalog/2042477.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 25"])(circa 1917)[Unknown photographer Soldier standing with rifle at "port arms" and full equipment, palm thatched hut in background. Photographic postcard]. https://collections.library.yale.edu/catalog/2042477.