Cita APA (7a ed.)

Guptill, A. L. (1955). Color manual for artists. Reinhold publishing corporation.

Cita Chicago Style (17a ed.)

Guptill, Arthur Leighton. Color Manual for Artists. New York: Reinhold publishing corporation, 1955.

Cita MLA (9a ed.)

Guptill, Arthur Leighton. Color Manual for Artists. Reinhold publishing corporation, 1955.