Cita APA (7th ed.)

Steinemann, H., & Diehr, U. (2009). Art Unlimited. Pro Litteris.

Cita Chicago (17th ed.)

Steinemann, Holger, i Ursula Diehr. Art Unlimited. Zürich: Pro Litteris, 2009.

Cita MLA (8th ed.)

Steinemann, Holger, i Ursula Diehr. Art Unlimited. Pro Litteris, 2009.