MLA

Simpson, Randolph Linsly, 1927-1992. West, Bradford, PA and Wellsville, NY Three quarter length portrait, lady in velvet jacket with arms on chair back. Cabinet photograph. Box 9, folder 232. circa 1890. https://collections.library.yale.edu/catalog/2002284.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 9, folder 232"])(circa 1890)[West, Bradford, PA and Wellsville, NY Three quarter length portrait, lady in velvet jacket with arms on chair back. Cabinet photograph]. https://collections.library.yale.edu/catalog/2002284.