Cite

"'Cathedral' 2500 ft. high. Columbia R." Watercolor, 23.5 x 30.5 cm.

MLA

Stenzel, Franz (1906-1998). "'Cathedral' 2500 ft. high. Columbia R." Watercolor, 23.5 x 30.5 cm.. Box 3, folder 35. 1857. https://collections.library.yale.edu/catalog/10701498.

APA, 6th edition

Stenzel, Franz (1906-1998). (["Box 3, folder 35"])(1857)["'Cathedral' 2500 ft. high. Columbia R." Watercolor, 23.5 x 30.5 cm.]. https://collections.library.yale.edu/catalog/10701498.