APA (7th ed.) Citation

Itten, A., Bastian, R., & Perret, A. P. (1972). Restons Vaudois. Bastian.

Chicago Style (17th ed.) Citation

Itten, Albert, Roger Bastian, and André Paul Perret. Restons Vaudois. Lutry: Bastian, 1972.

MLA (9th ed.) Citation

Itten, Albert, et al. Restons Vaudois. Bastian, 1972.