MLA

Simpson, Randolph Linsly, 1927-1992. Unknown photographer Full length portrait, young lady standing against pedestal, with fancy hat. Cased tintype, sixth plate. Box 5, folder 69. circa 1875. https://collections.library.yale.edu/catalog/2002126.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 5, folder 69"])(circa 1875)[Unknown photographer Full length portrait, young lady standing against pedestal, with fancy hat. Cased tintype, sixth plate]. https://collections.library.yale.edu/catalog/2002126.