Cite

"Below Cascade Rapids height 4 to 600 ft." Watercolor, 23.7 x 30.5 cm.

MLA

Stenzel, Franz (1906-1998). "Below Cascade Rapids height 4 to 600 ft." Watercolor, 23.7 x 30.5 cm.. Box 3, folder 49. n.d.. https://collections.library.yale.edu/catalog/10860655.

APA, 6th edition

Stenzel, Franz (1906-1998). (["Box 3, folder 49"])(n.d.)["Below Cascade Rapids height 4 to 600 ft." Watercolor, 23.7 x 30.5 cm.]. https://collections.library.yale.edu/catalog/10860655.