Cita APA (7a ed.)

Sutphen, D. (1976). The Pen & ink and cross hatch styles of the early illustrators. Art Direction Book Co.

Cita Chicago Style (17a ed.)

Sutphen, Dick. The Pen & Ink and Cross Hatch Styles of the Early Illustrators. New York: Art Direction Book Co, 1976.

Cita MLA (9a ed.)

Sutphen, Dick. The Pen & Ink and Cross Hatch Styles of the Early Illustrators. Art Direction Book Co, 1976.