APA (7th ed.) Citation

Vasarely, V., & Spies, W. (1969). Vasarely. H.N. Abrams.

Chicago Style (17th ed.) Citation

Vasarely, Victor, and Werner Spies. Vasarely. New York: H.N. Abrams, 1969.

MLA (9th ed.) Citation

Vasarely, Victor, and Werner Spies. Vasarely. H.N. Abrams, 1969.