APA (7th ed.) Citation

Gatz, K., & Wallenfang, W. O. (1960). Color in architecture: A guide to exterior design. Reinhold.

Chicago Style (17th ed.) Citation

Gatz, Konrad, and Wilhelm Otto Wallenfang. Color in Architecture: A Guide to Exterior Design. New York: Reinhold, 1960.

MLA (9th ed.) Citation

Gatz, Konrad, and Wilhelm Otto Wallenfang. Color in Architecture: A Guide to Exterior Design. Reinhold, 1960.