APA (7th ed.) Citation

Hundertwasser, F., & Bockelmann, M. (1972). Regentag =: Rainy day = Jour de pluie. Bruckmann.

Chicago Style (17th ed.) Citation

Hundertwasser, Friedensreich, and Manfred Bockelmann. Regentag =: Rainy Day = Jour De Pluie. München: Bruckmann, 1972.

MLA (9th ed.) Citation

Hundertwasser, Friedensreich, and Manfred Bockelmann. Regentag =: Rainy Day = Jour De Pluie. Bruckmann, 1972.

Warning: These citations may not always be 100% accurate.