MLA

Simpson, Randolph Linsly, 1927-1992. Lynn Skeels Boxed Set of 31 Family views including mansion, group and individual portraits. Stereograph, grey cards. Box 14. circa 1925. https://collections.library.yale.edu/catalog/2005383.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 14"])(circa 1925)[Lynn Skeels Boxed Set of 31 Family views including mansion, group and individual portraits. Stereograph, grey cards]. https://collections.library.yale.edu/catalog/2005383.