MLA

Josephson, Matthew, 1899-1978. Burke, Kenneth. Box 2, folder 29-45. 1917-1979. https://collections.library.yale.edu/catalog/17091491.

APA, 6th edition

Josephson, Matthew, 1899-1978. (["Box 2, folder 29-45"])(1917-1979)[Burke, Kenneth]. https://collections.library.yale.edu/catalog/17091491.