"U S Military Post Tongass Alaska Ty." Pencil drawing, 17.5 x 25.5 cm.
MLA
Stenzel, Franz. "U S Military Post Tongass Alaska Ty." Pencil Drawing, 17.5 x 25.5 Cm. 1869. https://collections.library.yale.edu/catalog/2003276.
APA, 6th edition
Stenzel, F. (1869). "U S Military Post Tongass Alaska Ty." Pencil drawing, 17.5 x 25.5 cm. https://collections.library.yale.edu/catalog/2003276.