APA (7th ed.) Citation

Guillaud, J., & Guillaud, M. (1987). Giotto: Architect of color and form. C.N. Potter.

Chicago Style (17th ed.) Citation

Guillaud, Jacqueline, and Maurice Guillaud. Giotto: Architect of Color and Form. New York: C.N. Potter, 1987.

MLA (9th ed.) Citation

Guillaud, Jacqueline, and Maurice Guillaud. Giotto: Architect of Color and Form. C.N. Potter, 1987.