APA (7th ed.) Citation

Kollbrunner, K. F. (1938). Beton-Bohr-Pfähle.

Chicago Style (17th ed.) Citation

Kollbrunner, Kurt Fritz. Beton-Bohr-Pfähle. 1938.

MLA (9th ed.) Citation

Kollbrunner, Kurt Fritz. Beton-Bohr-Pfähle. 1938.

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