"Port Townsend." Pencil drawing, 18 x 23 cm.
MLA
Stenzel, Franz. "Port Townsend." Pencil Drawing, 18 x 23 Cm. 1859. https://collections.library.yale.edu/catalog/2003271.
APA, 6th edition
Stenzel, F. (1859). "Port Townsend." Pencil drawing, 18 x 23 cm. https://collections.library.yale.edu/catalog/2003271.