APA (7th ed.) Citation

Guptill, A. L. (1977). Rendering in pencil. Watson-Guptill.

Chicago Style (17th ed.) Citation

Guptill, Arthur Leighton. Rendering in Pencil. New York: Watson-Guptill, 1977.

MLA (9th ed.) Citation

Guptill, Arthur Leighton. Rendering in Pencil. Watson-Guptill, 1977.

Warning: These citations may not always be 100% accurate.