Cite

Unknown photographer Boy and woman under umbrella seated in buckboard, harnessed to bullock. Later 19th century photograph, 6 X 8, mounted on card, 8 x 10 7/8

MLA

Simpson, Randolph Linsly, 1927-1992. Unknown photographer Boy and woman under umbrella seated in buckboard, harnessed to bullock. Later 19th century photograph, 6 X 8, mounted on card, 8 x 10 7/8. Box 16, folder 736. circa 1890. https://collections.library.yale.edu/catalog/2042500.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 16, folder 736"])(circa 1890)[Unknown photographer Boy and woman under umbrella seated in buckboard, harnessed to bullock. Later 19th century photograph, 6 X 8, mounted on card, 8 x 10 7/8]. https://collections.library.yale.edu/catalog/2042500.