APA (7th ed.) Citation

Freckmann, K. (1965). Proportionen in der Architektur. Callwey.

Chicago Style (17th ed.) Citation

Freckmann, Karl. Proportionen in Der Architektur. München: Callwey, 1965.

MLA (9th ed.) Citation

Freckmann, Karl. Proportionen in Der Architektur. Callwey, 1965.

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