MLA

Wat, Aleksander, 1900-1967. "Dlaczego Zachód (świat) nie rozumie komunizmu," typescript, corrected. Box 24, folder 539. undated. https://collections.library.yale.edu/catalog/16618839.

APA, 6th edition

Wat, Aleksander, 1900-1967. (["Box 24, folder 539"])(undated)["Dlaczego Zachód (świat) nie rozumie komunizmu," typescript, corrected]. https://collections.library.yale.edu/catalog/16618839.