MLA

Jeleński, Konstanty A. (Konstanty Aleksander), 1922-1987. "Seminar on Violence," notes and correspondence. Box 13, folder 317. 1968. https://collections.library.yale.edu/catalog/16612900.

APA, 6th edition

Jeleński, Konstanty A. (Konstanty Aleksander), 1922-1987. (["Box 13, folder 317"])(1968)["Seminar on Violence," notes and correspondence]. https://collections.library.yale.edu/catalog/16612900.