MLA

Stenzel, Franz (1906-1998). "Legend of the Three Hunters and the Bear." Pencil drawing with wash, 20.9 x 27.1 cm.. Box 6, folder 96. n.d.. https://collections.library.yale.edu/catalog/2003164.

APA, 6th edition

Stenzel, Franz (1906-1998). (["Box 6, folder 96"])(n.d.)["Legend of the Three Hunters and the Bear." Pencil drawing with wash, 20.9 x 27.1 cm.]. https://collections.library.yale.edu/catalog/2003164.