MLA

Malinowski, Bronislaw, 1884-1942. Atzompa-Pottery production and sale, "Loza: Oaxaca, Ocotlán, Coyotepec" [production], pp. 2658-2723. Box 6, folder 61. 1941, undated. https://collections.library.yale.edu/catalog/32502170.

APA, 6th edition

Malinowski, Bronislaw, 1884-1942. (["Box 6, folder 61"])(1941, undated)[Atzompa-Pottery production and sale, "Loza: Oaxaca, Ocotlán, Coyotepec" [production], pp. 2658-2723]. https://collections.library.yale.edu/catalog/32502170.