Cite

Hartman, Bertram; Hartman, Gusta

MLA

Stieglitz, Alfred, 1864-1946. Hartman, Bertram; Hartman, Gusta. Box 23, folder 544. 1931-44, n.d.. https://collections.library.yale.edu/catalog/32270498.

APA, 6th edition

Stieglitz, Alfred, 1864-1946. (["Box 23, folder 544"])(1931-44, n.d.)[Hartman, Bertram; Hartman, Gusta]. https://collections.library.yale.edu/catalog/32270498.