Karpovich, Mikhail
MLA
Berberova, N. (Nina), 1901-1993. Karpovich, Mikhail. Box 54, folder 1237. 1957. https://collections.library.yale.edu/catalog/10454452.
APA, 6th edition
Berberova, N. (Nina), 1901-1993. (["Box 54, folder 1237"])(1957)[Karpovich, Mikhail]. https://collections.library.yale.edu/catalog/10454452.