MLA

Wat, Aleksander, 1900-1967. Documents (Legitymacje). Box 35, folder 793. 1945-1967. https://collections.library.yale.edu/catalog/10050141.

APA, 6th edition

Wat, Aleksander, 1900-1967. (["Box 35, folder 793"])(1945-1967)[Documents (Legitymacje)]. https://collections.library.yale.edu/catalog/10050141.