Cite

"Clarkia." Watercolor, 19.4 x 13 cm.

MLA

Stenzel, Franz (1906-1998). "Clarkia." Watercolor, 19.4 x 13 cm.. Box 5, folder 73. 1854 Jul. https://collections.library.yale.edu/catalog/33228846.

APA, 6th edition

Stenzel, Franz (1906-1998). (["Box 5, folder 73"])(1854 Jul)["Clarkia." Watercolor, 19.4 x 13 cm.]. https://collections.library.yale.edu/catalog/33228846.