Cite

Photographs (7 prints) removed from her letter in Series I

MLA

Stieglitz, Alfred, 1864-1946. Photographs (7 prints) removed from her letter in Series I. Box 149, folder 2777. 1915. https://collections.library.yale.edu/catalog/2005565.

APA, 6th edition

Stieglitz, Alfred, 1864-1946. (["Box 149, folder 2777"])(1915)[Photographs (7 prints) removed from her letter in Series I]. https://collections.library.yale.edu/catalog/2005565.