APA (7th ed.) Citation

(1997). Erdgas-Vorwärmung in Gasanlagen. DVGW.

Chicago Style (17th ed.) Citation

Erdgas-Vorwärmung in Gasanlagen. Bonn: DVGW, 1997.

MLA (9th ed.) Citation

Erdgas-Vorwärmung in Gasanlagen. DVGW, 1997.

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