MLA

Jeleński, Konstanty A. (Konstanty Aleksander), 1922-1987. "Pacifism and violence -- Their uses and limitations as instruments of reform," typescript (copy). Box 13, folder 318. 1969 February. https://collections.library.yale.edu/catalog/16612901.

APA, 6th edition

Jeleński, Konstanty A. (Konstanty Aleksander), 1922-1987. (["Box 13, folder 318"])(1969 February)["Pacifism and violence -- Their uses and limitations as instruments of reform," typescript (copy)]. https://collections.library.yale.edu/catalog/16612901.