MLA

Brodsky, Joseph, 1940-1996. Series II -- Writings -- Poetry -- Individual Poems -- Dialog zimoi, by Tomas Venclova, Russian interlinear by Brodsky. Box 198, folder 4302. 1977?. https://collections.library.yale.edu/catalog/11702343.

APA, 6th edition

Brodsky, Joseph, 1940-1996. (["Box 198, folder 4302"])(1977?)[Series II -- Writings -- Poetry -- Individual Poems -- Dialog zimoi, by Tomas Venclova, Russian interlinear by Brodsky]. https://collections.library.yale.edu/catalog/11702343.