APA (7th ed.) Citation

Washburn, F. M. (1919). Constant-temperature still head for light-oil fractionation. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Washburn, Frederick M. Constant-temperature Still Head for Light-oil Fractionation. [Washington?]: U.S. Government Printing Office, 1919.

MLA (9th ed.) Citation

Washburn, Frederick M. Constant-temperature Still Head for Light-oil Fractionation. U.S. Government Printing Office, 1919.