Cite

Untitled [Ex-voto: Man riding on bicycle, butterfly]

MLA

Steinberg, Saul, 1914-1999. Untitled [Ex-voto: Man riding on bicycle, butterfly]. Box 406, folder 5372. undated. https://collections.library.yale.edu/catalog/2066476.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 406, folder 5372"])(undated)[Untitled [Ex-voto: Man riding on bicycle, butterfly]]. https://collections.library.yale.edu/catalog/2066476.