MLA

Simpson, Randolph Linsly, 1927-1992. Underwood & Underwood, N.Y.C. "14193 The original Buffalos, 367 Infantry Colored Troops, Rifle practice Camp Upton, N.Y." Stereograph, grey card. Box 13, folder 696. circa 1918. https://collections.library.yale.edu/catalog/32582733.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 13, folder 696"])(circa 1918)[Underwood & Underwood, N.Y.C. "14193 The original Buffalos, 367 Infantry Colored Troops, Rifle practice Camp Upton, N.Y." Stereograph, grey card]. https://collections.library.yale.edu/catalog/32582733.