"21 noiabria 1958 goda," typescript
MLA
Berberova, N. (Nina), 1901-1993. "21 noiabria 1958 goda," typescript. Box 37, folder 893. 1958. https://collections.library.yale.edu/catalog/16688052.
APA, 6th edition
Berberova, N. (Nina), 1901-1993. (["Box 37, folder 893"])(1958)["21 noiabria 1958 goda," typescript]. https://collections.library.yale.edu/catalog/16688052.