Cite

Bust portrait, young girl, cap with tassel. Cased tintype, ninth plate

MLA

photographer, Unknown. Bust Portrait, Young Girl, Cap with Tassel. Cased Tintype, Ninth Plate. 0AD. https://collections.library.yale.edu/catalog/2002129.

APA, 6th edition

photographer, U. (0 C.E.). Bust portrait, young girl, cap with tassel. Cased tintype, ninth plate [Photographs, Tintypes]. https://collections.library.yale.edu/catalog/2002129.