MLA

Simpson, Randolph Linsly, 1927-1992. Turnquist, Virginia, MN Full length group portrait; woman, two boys, one small girl, all standing, the girl in a white dress stands on a wire chair. Cabinet photograph. Box 9, folder 201. circa 1880. https://collections.library.yale.edu/catalog/2002253.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 9, folder 201"])(circa 1880)[Turnquist, Virginia, MN Full length group portrait; woman, two boys, one small girl, all standing, the girl in a white dress stands on a wire chair. Cabinet photograph]. https://collections.library.yale.edu/catalog/2002253.