APA (7th ed.) Citation

Keil, F. (1953). Luftporen-Beton. Bauverl.

Chicago Style (17th ed.) Citation

Keil, Fritz. Luftporen-Beton. Wiesbaden: Bauverl, 1953.

MLA (9th ed.) Citation

Keil, Fritz. Luftporen-Beton. Bauverl, 1953.

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