MLA

Simpson, Randolph Linsly, 1927-1992. J. Fenton's Gallery, Philadelphia Bust portrait of lady wearing coat with fur collar, light crocheted head scarf with tasseled terminations. Tintype, sixth plate. Box 7, folder 113. circa 1870. https://collections.library.yale.edu/catalog/2002169.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 7, folder 113"])(circa 1870)[J. Fenton's Gallery, Philadelphia Bust portrait of lady wearing coat with fur collar, light crocheted head scarf with tasseled terminations. Tintype, sixth plate]. https://collections.library.yale.edu/catalog/2002169.