Cita APA (7a ed.)

Kudielka, R., & Riley, B. (2002). Paul Klee: The nature of creation ; works 1914 - 1940 / Robert Kudielka. Hayward Gallery.

Cita Chicago Style (17a ed.)

Kudielka, Robert, y Bridget Riley. Paul Klee: The Nature of Creation ; Works 1914 - 1940 / Robert Kudielka. London: Hayward Gallery, 2002.

Cita MLA (8a ed.)

Kudielka, Robert, y Bridget Riley. Paul Klee: The Nature of Creation ; Works 1914 - 1940 / Robert Kudielka. Hayward Gallery, 2002.