Cita APA (7th ed.)

Laabs, A., & Gellner, U. (2007). A noir, E blanc, I rouge, U vert, O bleu: Farben. Kerber.

Cita Chicago (17th ed.)

Laabs, Annegret, i Uwe Gellner. A Noir, E Blanc, I Rouge, U Vert, O Bleu: Farben. Bielefeld: Kerber, 2007.

Cita MLA (8th ed.)

Laabs, Annegret, i Uwe Gellner. A Noir, E Blanc, I Rouge, U Vert, O Bleu: Farben. Kerber, 2007.