APA (7th ed.) Citation

Nicholls, P., & Staples, C. W. (1932). Removal of soot from furnaces and flues by use of salts or compounds. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Nicholls, P., and C. W. Staples. Removal of Soot from Furnaces and Flues by Use of Salts or Compounds. [Washington?]: U.S. Government Printing Office, 1932.

MLA (9th ed.) Citation

Nicholls, P., and C. W. Staples. Removal of Soot from Furnaces and Flues by Use of Salts or Compounds. U.S. Government Printing Office, 1932.