APA (7th ed.) Citation

United States. Department of Commerce. (1918). Use of hydrogen-volatile-matter ratio in obtaining net heating value of American coals. GPO.

Chicago Style (17th ed.) Citation

United States. Department of Commerce. Use of Hydrogen-volatile-matter Ratio in Obtaining Net Heating Value of American Coals. [Washington]: GPO, 1918.

MLA (9th ed.) Citation

United States. Department of Commerce. Use of Hydrogen-volatile-matter Ratio in Obtaining Net Heating Value of American Coals. GPO, 1918.

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