MLA

Simpson, Randolph Linsly, 1927-1992. D. Murlless, 3 Pleasant St., Northampton, MA Full length portrait, young girl seated wearing checkered dress; holding open book on table. Carte de visite. Box 11, folder 367. circa 1865-68. https://collections.library.yale.edu/catalog/2003880.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 11, folder 367"])(circa 1865-68)[D. Murlless, 3 Pleasant St., Northampton, MA Full length portrait, young girl seated wearing checkered dress; holding open book on table. Carte de visite]. https://collections.library.yale.edu/catalog/2003880.