Cite

Sylvester, Richard

MLA

Berberova, N. (Nina), 1901-1993. Sylvester, Richard. Box 54, folder 1250. n.d.. https://collections.library.yale.edu/catalog/10454481.

APA, 6th edition

Berberova, N. (Nina), 1901-1993. (["Box 54, folder 1250"])(n.d.)[Sylvester, Richard]. https://collections.library.yale.edu/catalog/10454481.