MLA

Simpson, Randolph Linsly, 1927-1992. A.M. Riser, Artist, No. 20 Plain Street, Columbia, SC Full length oval portrait of Rev. George David standing with right hand extended and an open book in left hand. Cabinet photograph. Box 9, folder 300. circa 1870. https://collections.library.yale.edu/catalog/2002359.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 9, folder 300"])(circa 1870)[A.M. Riser, Artist, No. 20 Plain Street, Columbia, SC Full length oval portrait of Rev. George David standing with right hand extended and an open book in left hand. Cabinet photograph]. https://collections.library.yale.edu/catalog/2002359.