MLA

Simpson, Randolph Linsly, 1927-1992. Studio unknown Full length portrait, man standing behind balustrade, hand on newel post. Tintype, sixth plate. Box 7, folder 94. circa 1885. https://collections.library.yale.edu/catalog/2002151.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 7, folder 94"])(circa 1885)[Studio unknown Full length portrait, man standing behind balustrade, hand on newel post. Tintype, sixth plate]. https://collections.library.yale.edu/catalog/2002151.