Cita APA (7a ed.)

Guptill, A. L. (1935). Color in sketching and rendering. Reinhold.

Cita Chicago Style (17a ed.)

Guptill, Arthur Leighton. Color in Sketching and Rendering. New York: Reinhold, 1935.

Cita MLA (9a ed.)

Guptill, Arthur Leighton. Color in Sketching and Rendering. Reinhold, 1935.