[Photograph of Konstantin Bal'mont seated in a chair]
MLA
Balʹmont, Konstantin Dmitrievich, 1867-1942. [Photograph of Konstantin Bal'mont seated in a chair]. Box 2 | Folder 21. Undated. https://collections.library.yale.edu/catalog/10109902.
APA, 6th edition
Balʹmont, Konstantin Dmitrievich, 1867-1942. (["Box 2 | Folder 21"])(Undated)[[Photograph of Konstantin Bal'mont seated in a chair]]. https://collections.library.yale.edu/catalog/10109902.