MLA

Bryher, 1894-1983. "Paris, 1900": typescript, original. Box 76, folder 2966. n.d.. https://collections.library.yale.edu/catalog/17290852.

APA, 6th edition

Bryher, 1894-1983. (["Box 76, folder 2966"])(n.d.)["Paris, 1900": typescript, original]. https://collections.library.yale.edu/catalog/17290852.