MLA

Gulʹ, Roman, 1896-1986. Odarchenko, IUrii Pavlovich. Box 83, folder 2022. 1949. https://collections.library.yale.edu/catalog/17277472.

APA, 6th edition

Gulʹ, Roman, 1896-1986. (["Box 83, folder 2022"])(1949)[Odarchenko, IUrii Pavlovich]. https://collections.library.yale.edu/catalog/17277472.