APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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