APA (7th ed.) Citation

Kieffer, R., & Kölbl, F. (1951). Wolframkarbidfreie Hartmetalle. Verl. Technik.

Chicago Style (17th ed.) Citation

Kieffer, Richard, and Franz Kölbl. Wolframkarbidfreie Hartmetalle. Berlin: Verl. Technik, 1951.

MLA (9th ed.) Citation

Kieffer, Richard, and Franz Kölbl. Wolframkarbidfreie Hartmetalle. Verl. Technik, 1951.

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