MLA

Simpson, Randolph Linsly, 1927-1992. Unknown photographer Lady and seventeen children grouped before cabin doorway; dog lies in foreground. Albumen print, mounted on card. 5 x 7. Box 16, folder 742. circa 1870. https://collections.library.yale.edu/catalog/2007431.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 16, folder 742"])(circa 1870)[Unknown photographer Lady and seventeen children grouped before cabin doorway; dog lies in foreground. Albumen print, mounted on card. 5 x 7]. https://collections.library.yale.edu/catalog/2007431.