MLA

Berberova, N. (Nina), 1901-1993. Kaminskaia, Dina Isakovna. Box 11, folder 272. 1983-88, n.d.. https://collections.library.yale.edu/catalog/16688001.

APA, 6th edition

Berberova, N. (Nina), 1901-1993. (["Box 11, folder 272"])(1983-88, n.d.)[Kaminskaia, Dina Isakovna]. https://collections.library.yale.edu/catalog/16688001.