Pencils and pencil box from J. Thoreau & Co.
MLA
Thoreau, Henry David, 1817-1862. Pencils and pencil box from J. Thoreau & Co.. ART, folder 14. n.d.. https://collections.library.yale.edu/catalog/2012281.
APA, 6th edition
Thoreau, Henry David, 1817-1862. (["ART, folder 14"])(n.d.)[Pencils and pencil box from J. Thoreau & Co.]. https://collections.library.yale.edu/catalog/2012281.