Cita APA (7th ed.)

Schopenhauer, A., Stahl, G., & Runge, P. O. (2010). On vision and colors. Princeton Architectural Press.

Cita Chicago (17th ed.)

Schopenhauer, Arthur, Georg Stahl, i Philipp Otto Runge. On Vision and Colors. New York: Princeton Architectural Press, 2010.

Cita MLA (9th ed.)

Schopenhauer, Arthur, et al. On Vision and Colors. Princeton Architectural Press, 2010.