Citazione Stile APA (7a Edizione)

Shopenhauer, A., Runge, P. O., & Stahl, G. (2010). On vision and colors: And Color Sphere by Philipp Otto Runge (1st. ed.). Princeton Architectural Press.

Citazione stile Chigago Style (17a edizione)

Shopenhauer, Arthur, Philipp Otto Runge, e Georg Stahl. On Vision and Colors: And Color Sphere by Philipp Otto Runge. 1st. ed. New York, USA: Princeton Architectural Press, 2010.

Citatione MLA (9a ed.)

Shopenhauer, Arthur, et al. On Vision and Colors: And Color Sphere by Philipp Otto Runge. 1st. ed. Princeton Architectural Press, 2010.