MLA

Veĭnbaum, M. E. (Mark Efimovich), 1890-1973. Margolin, IUlii. Box 5, folder 228-29. 1956-70. https://collections.library.yale.edu/catalog/32304185.

APA, 6th edition

Veĭnbaum, M. E. (Mark Efimovich), 1890-1973. (["Box 5, folder 228-29"])(1956-70)[Margolin, IUlii]. https://collections.library.yale.edu/catalog/32304185.