Cite

Unknown photographer Gem portrait, soldier with kepi. Cased tintype, ninth plate

MLA

Simpson, Randolph Linsly, 1927-1992. Unknown photographer Gem portrait, soldier with kepi. Cased tintype, ninth plate. Box 6, folder 83. circa 1870. https://collections.library.yale.edu/catalog/2002140.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 6, folder 83"])(circa 1870)[Unknown photographer Gem portrait, soldier with kepi. Cased tintype, ninth plate]. https://collections.library.yale.edu/catalog/2002140.