MLA

Tellefsen, Lisbet, 1961-. Grant info. Box 3, folder 152. undated. https://collections.library.yale.edu/catalog/17475230.

APA, 6th edition

Tellefsen, Lisbet, 1961-. (["Box 3, folder 152"])(undated)[Grant info]. https://collections.library.yale.edu/catalog/17475230.