APA (7th ed.) Citation

Gumz, W. (1950). Gas producers and blast furnaces: Theory and methods of calculation. Wiley (u.a.).

Chicago Style (17th ed.) Citation

Gumz, Wilhelm. Gas Producers and Blast Furnaces: Theory and Methods of Calculation. New York (u.a.): Wiley (u.a.), 1950.

MLA (9th ed.) Citation

Gumz, Wilhelm. Gas Producers and Blast Furnaces: Theory and Methods of Calculation. Wiley (u.a.), 1950.