MLA

Simpson, Randolph Linsly, 1927-1992. A.P. Gates' New Gallery, Charleston, WV Full length portrait of a lady standing with right arm on newel post. Imperial cabinet photograph. Box 10, folder 306. circa 1890. https://collections.library.yale.edu/catalog/2002336.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 10, folder 306"])(circa 1890)[A.P. Gates' New Gallery, Charleston, WV Full length portrait of a lady standing with right arm on newel post. Imperial cabinet photograph]. https://collections.library.yale.edu/catalog/2002336.