MLA

Malinowski, Bronislaw, 1884-1942. Khuner, Hans. Box 4, folder 324, reel 3 | reel 3U. 1930 October 13. https://collections.library.yale.edu/catalog/32502206.

APA, 6th edition

Malinowski, Bronislaw, 1884-1942. (["Box 4, folder 324, reel 3 | reel 3U"])(1930 October 13)[Khuner, Hans]. https://collections.library.yale.edu/catalog/32502206.