APA (7th ed.) Citation

Buckingham, E. (1920). Notes on small flow meters for air, especially orifice meters. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Buckingham, Edgar. Notes on Small Flow Meters for Air, Especially Orifice Meters. [Washington?]: U.S. Government Printing Office, 1920.

MLA (9th ed.) Citation

Buckingham, Edgar. Notes on Small Flow Meters for Air, Especially Orifice Meters. U.S. Government Printing Office, 1920.