Cite

Unknown photographer "Popular Series" Stereograph, ivory card

MLA

Simpson, Randolph Linsly, 1927-1992. Unknown photographer "Popular Series" Stereograph, ivory card. Box 13, folder 685. circa 1885. https://collections.library.yale.edu/catalog/32582712.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 13, folder 685"])(circa 1885)[Unknown photographer "Popular Series" Stereograph, ivory card]. https://collections.library.yale.edu/catalog/32582712.