MLA

Simpson, Randolph Linsly, 1927-1992. Anthony & CO., New York Stamped recto, "Photographic History. The War for the Union." Cut from verso and mounted recto, "Quarters. 10th Regt. U.S. Colored troops dear Dutch Gap, Va." Stereograph, orange card. Box 12, folder 554. circa 1862. https://collections.library.yale.edu/catalog/2005528.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 12, folder 554"])(circa 1862)[Anthony & CO., New York Stamped recto, "Photographic History. The War for the Union." Cut from verso and mounted recto, "Quarters. 10th Regt. U.S. Colored troops dear Dutch Gap, Va." Stereograph, orange card]. https://collections.library.yale.edu/catalog/2005528.