Unidentified man, ambrotype
MLA
Wilson, Edmund, 1895-1972. Unidentified man, ambrotype. Box 201, folder 4931. n.d.. https://collections.library.yale.edu/catalog/2005052.
APA, 6th edition
Wilson, Edmund, 1895-1972. (["Box 201, folder 4931"])(n.d.)[Unidentified man, ambrotype]. https://collections.library.yale.edu/catalog/2005052.