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.
Atenció: Aquestes cites poden no estar 100% correctes.