APA (7th ed.) Citation

Guptill, A. L. (1978). Rendering in pen and ink (3. print.). Watson-Guptill.

Chicago Style (17th ed.) Citation

Guptill, Arthur Leighton. Rendering in Pen and Ink. 3. print. New York: Watson-Guptill, 1978.

MLA (9th ed.) Citation

Guptill, Arthur Leighton. Rendering in Pen and Ink. 3. print. Watson-Guptill, 1978.