Cita APA (7th ed.)

Warhol, A., & Ratzeburg, W. (2004). Polaroids. Ruth Printmedien.

Cita Chicago (17th ed.)

Warhol, Andy, i Wiebke Ratzeburg. Polaroids. Braunschweig: Ruth Printmedien, 2004.

Cita MLA (8th ed.)

Warhol, Andy, i Wiebke Ratzeburg. Polaroids. Ruth Printmedien, 2004.