H1797: ["The Empty Chair. Gad's Hill-Ninth of June 1870"]. A drawing in black chalk and pencil, and brush and white body-color, on paper 33 cm. x 54 cm.
MLA
Gimbel, Richard. H1797: ["The Empty Chair. Gad's Hill-Ninth of June 1870"]. A Drawing in Black Chalk and Pencil, and Brush and White Body-Color, on Paper 33 Cm. x 54 Cm. 1870. https://collections.library.yale.edu/catalog/16598971.
APA, 6th edition
Gimbel, R. (1870). H1797: ["The Empty Chair. Gad's Hill-Ninth of June 1870"]. A drawing in black chalk and pencil, and brush and white body-color, on paper 33 cm. x 54 cm. https://collections.library.yale.edu/catalog/16598971.
