MLA

Tellefsen, Lisbet, 1961-. Aché organization development, grants, board / meeting notes [removed from binder]. Box 3, folder 154-155. undated. https://collections.library.yale.edu/catalog/17475231.

APA, 6th edition

Tellefsen, Lisbet, 1961-. (["Box 3, folder 154-155"])(undated)[Aché organization development, grants, board / meeting notes [removed from binder]]. https://collections.library.yale.edu/catalog/17475231.