MLA

Wright, Richard, 1908-1960. Printed material. Box 137, folder 2019-2020. 1929-59. https://collections.library.yale.edu/catalog/10115470.

APA, 6th edition

Wright, Richard, 1908-1960. (["Box 137, folder 2019-2020"])(1929-59)[Printed material]. https://collections.library.yale.edu/catalog/10115470.