MLA

Stenzel, Franz (1906-1998). "Old Astoria, from Leonard & Green's Store, Astor's Point." Pencil drawing, 18 x 26.7 cm.. Box 2, folder 25. 1854 Aug 4. https://collections.library.yale.edu/catalog/2004424.

APA, 6th edition

Stenzel, Franz (1906-1998). (["Box 2, folder 25"])(1854 Aug 4)["Old Astoria, from Leonard & Green's Store, Astor's Point." Pencil drawing, 18 x 26.7 cm.]. https://collections.library.yale.edu/catalog/2004424.