Blokh, [Raisa] and Gorlin, [Mikhail],outgoing
MLA
Korvin-Piotrovskiĭ, Vladimir Lʹvovich, 1891-1966. Blokh, [Raisa] and Gorlin, [Mikhail],outgoing. Box 1, folder 9. undated. https://collections.library.yale.edu/catalog/16601453.
APA, 6th edition
Korvin-Piotrovskiĭ, Vladimir Lʹvovich, 1891-1966. (["Box 1, folder 9"])(undated)[Blokh, [Raisa] and Gorlin, [Mikhail],outgoing]. https://collections.library.yale.edu/catalog/16601453.