Cite

Unknown photographer Half length formal portrait of "Uncle Moreau" [Omar ibn Said]; elderly man seated wearing headwrap, suit; left elbow rests on newel, cane in right hand. Ambrotype

MLA

Simpson, Randolph Linsly, 1927-1992. Unknown photographer Half length formal portrait of "Uncle Moreau" [Omar ibn Said]; elderly man seated wearing headwrap, suit; left elbow rests on newel, cane in right hand. Ambrotype. Box 3, folder 40. circa 1850. https://collections.library.yale.edu/catalog/2002060.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 3, folder 40"])(circa 1850)[Unknown photographer Half length formal portrait of "Uncle Moreau" [Omar ibn Said]; elderly man seated wearing headwrap, suit; left elbow rests on newel, cane in right hand. Ambrotype]. https://collections.library.yale.edu/catalog/2002060.