Schuller, G. (1962). Seven studies on themes of Paul Klee. Universal Edition.
Citazione stile Chigago Style (17a edizione)Schuller, Gunther. Seven Studies on Themes of Paul Klee. [London]: Universal Edition, 1962.
Citatione MLA (8a ed.)Schuller, Gunther. Seven Studies on Themes of Paul Klee. Universal Edition, 1962.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.