MLA

Simpson, Randolph Linsly, 1927-1992. T.W. Bankes, Helena, AR Group of black women and children gathered at back of buildings; witnessing some event in deep background. Several men, one with gun, visible on porch. Carte de visite. Box 11, folder 418. circa 1865. https://collections.library.yale.edu/catalog/2003997.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 11, folder 418"])(circa 1865)[T.W. Bankes, Helena, AR Group of black women and children gathered at back of buildings; witnessing some event in deep background. Several men, one with gun, visible on porch. Carte de visite]. https://collections.library.yale.edu/catalog/2003997.