MLA

Simpson, Randolph Linsly, 1927-1992. J. Fenton's Gallery, Philadelphia Full length portrait of young lady in white skirt, standing by baluster section. Tintype, ninth plate. Box 7, folder 111. circa 1870. https://collections.library.yale.edu/catalog/2002167.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 7, folder 111"])(circa 1870)[J. Fenton's Gallery, Philadelphia Full length portrait of young lady in white skirt, standing by baluster section. Tintype, ninth plate]. https://collections.library.yale.edu/catalog/2002167.