"'Cathedral' 2500 ft. high. Columbia R." Watercolor, 23.5 x 30.5 cm.
MLA
Stenzel, Franz. "'Cathedral' 2500 Ft. High. Columbia R." Watercolor, 23.5 x 30.5 Cm. 1857. https://collections.library.yale.edu/catalog/10701498.
APA, 6th edition
Stenzel, F. (1857). "'Cathedral' 2500 ft. high. Columbia R." Watercolor, 23.5 x 30.5 cm. https://collections.library.yale.edu/catalog/10701498.