MLA

Jolas, Eugène, 1894-1952. Rexroth-Kern, Iringard. Box 36, folder 758. 1955. https://collections.library.yale.edu/catalog/17337763.

APA, 6th edition

Jolas, Eugène, 1894-1952. (["Box 36, folder 758"])(1955)[Rexroth-Kern, Iringard]. https://collections.library.yale.edu/catalog/17337763.