APA (7th ed.) Citation

Gatz, K., & Achterberg, G. (1967). Colour and architecture. Architectural Book.

Chicago Style (17th ed.) Citation

Gatz, Konrad, and Gerhard Achterberg. Colour and Architecture. New York: Architectural Book, 1967.

MLA (9th ed.) Citation

Gatz, Konrad, and Gerhard Achterberg. Colour and Architecture. Architectural Book, 1967.

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