MLA

Blake, William, 1757-1827. Drawing, "Timon," by William Blake and John Linnell; watercolor, ink, and graphite on paper. Box 1, folder 10. circa 1798. https://collections.library.yale.edu/catalog/10468080.

APA, 6th edition

Blake, William, 1757-1827. (["Box 1, folder 10"])(circa 1798)[Drawing, "Timon," by William Blake and John Linnell; watercolor, ink, and graphite on paper]. https://collections.library.yale.edu/catalog/10468080.