Ruddigkeit, R. (2007). Freistil: Best of European Commercial Illustration 3 / By Raban Ruddigkeit. H. Schmidt.
Citazione stile Chigago Style (17a edizione)Ruddigkeit, Raban. Freistil: Best of European Commercial Illustration 3 / By Raban Ruddigkeit. Mainz: H. Schmidt, 2007.
Citatione MLA (8a ed.)Ruddigkeit, Raban. Freistil: Best of European Commercial Illustration 3 / By Raban Ruddigkeit. H. Schmidt, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.