MLA

Simpson, Randolph Linsly, 1927-1992. Underwood & Underwood, New York; London; Toronto, Canada; Ottawa, Kansas "Cabins where Slaves were raised for Market -- the Famous Hermitage, Savannah, Georgia." Stereograph, grey card. Box 13, folder 658. 1903. https://collections.library.yale.edu/catalog/9999050.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 13, folder 658"])(1903)[Underwood & Underwood, New York; London; Toronto, Canada; Ottawa, Kansas "Cabins where Slaves were raised for Market -- the Famous Hermitage, Savannah, Georgia." Stereograph, grey card]. https://collections.library.yale.edu/catalog/9999050.