APA (7th ed.) Citation

Curtis, F. A. (1921). Testing of paper. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Curtis, Frederick Augustus. Testing of Paper. [Washington?]: U.S. Government Printing Office, 1921.

MLA (9th ed.) Citation

Curtis, Frederick Augustus. Testing of Paper. U.S. Government Printing Office, 1921.