Cita APA (7a ed.)

Babbitt, E. D., & Birren, F. (1980). The principles of light and color: The classic study of the healing power of color. Citadel.

Cita Chicago Style (17a ed.)

Babbitt, Edwin D., y Faber Birren. The Principles of Light and Color: The Classic Study of the Healing Power of Color. Secaucus, N.J.: Citadel, 1980.

Cita MLA (9a ed.)

Babbitt, Edwin D., y Faber Birren. The Principles of Light and Color: The Classic Study of the Healing Power of Color. Citadel, 1980.