Cite

Brigman, Anne: precis of letters

MLA

Stieglitz, Alfred, 1864-1946. Brigman, Anne: precis of letters. Box 8, folder 168. n.d.. https://collections.library.yale.edu/catalog/17105618.

APA, 6th edition

Stieglitz, Alfred, 1864-1946. (["Box 8, folder 168"])(n.d.)[Brigman, Anne: precis of letters]. https://collections.library.yale.edu/catalog/17105618.