Russian language version, draft
MLA
Brodsky, Joseph, 1940-1996. Russian language version, draft. Box 65, folder 1604. undated. https://collections.library.yale.edu/catalog/2055559.
APA, 6th edition
Brodsky, Joseph, 1940-1996. (["Box 65, folder 1604"])(undated)[Russian language version, draft]. https://collections.library.yale.edu/catalog/2055559.