MLA

Simpson, Randolph Linsly, 1927-1992. C.L. Kempf, Brooklyn, NY Three quarter length portrait of man with moustache, standing with hand on upholstered chair. Cabinet photograph. Box 9, folder 211. circa 1890. https://collections.library.yale.edu/catalog/2002263.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 9, folder 211"])(circa 1890)[C.L. Kempf, Brooklyn, NY Three quarter length portrait of man with moustache, standing with hand on upholstered chair. Cabinet photograph]. https://collections.library.yale.edu/catalog/2002263.