MLA

Stenzel, Franz (1906-1998). [Five plants: salmon berry, cammass (2), sallal, and konkiwhi(?)] Color pencil drawing, 19.1 x 24 cm.. Box 5, folder 75. 1859 Jun 5. https://collections.library.yale.edu/catalog/2003141.

APA, 6th edition

Stenzel, Franz (1906-1998). (["Box 5, folder 75"])(1859 Jun 5)[[Five plants: salmon berry, cammass (2), sallal, and konkiwhi(?)] Color pencil drawing, 19.1 x 24 cm.]. https://collections.library.yale.edu/catalog/2003141.