Cite

Studio unknown, Young man standing with hand on chair (in Series I)

MLA

Simpson, Randolph Linsly, 1927-1992. Studio unknown, Young man standing with hand on chair (in Series I). Box 53. circa 1870. https://collections.library.yale.edu/catalog/2002205.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 53"])(circa 1870)[Studio unknown, Young man standing with hand on chair (in Series I)]. https://collections.library.yale.edu/catalog/2002205.