MLA

Bryher, 1894-1983. Kenwin: photo album. Box 113, folder 3973. n.d.. https://collections.library.yale.edu/catalog/2057148.

APA, 6th edition

Bryher, 1894-1983. (["Box 113, folder 3973"])(n.d.)[Kenwin: photo album]. https://collections.library.yale.edu/catalog/2057148.