MLA

Simpson, Randolph Linsly, 1927-1992. Brady & Co., published by F. & H.T. Anthony, N.Y.C. "War Views #2509" Bodies laid out for Interment, at the Burial Ground, Fredericksburgh, Va." Stereograph, yellow card. Box 13, folder 699. undated. https://collections.library.yale.edu/catalog/32582736.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 13, folder 699"])(undated)[Brady & Co., published by F. & H.T. Anthony, N.Y.C. "War Views #2509" Bodies laid out for Interment, at the Burial Ground, Fredericksburgh, Va." Stereograph, yellow card]. https://collections.library.yale.edu/catalog/32582736.