APA (7th ed.) Citation

Spies, W., & Vasarely, V. (1969). Victor Vasarely. Verlag Gerd Hatje.

Chicago Style (17th ed.) Citation

Spies, Werner, and Victor Vasarely. Victor Vasarely. Stuttgart: Verlag Gerd Hatje, 1969.

MLA (9th ed.) Citation

Spies, Werner, and Victor Vasarely. Victor Vasarely. Verlag Gerd Hatje, 1969.

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