APA (7th ed.) Citation

Holmes, W. T. (1978). Plane geometry of rotors in pumps and gears / by W.T. Holmes. Scientific Publishing Co..

Chicago Style (17th ed.) Citation

Holmes, W T. Plane Geometry of Rotors in Pumps and Gears / by W.T. Holmes. Manchester: Scientific Publishing Co., 1978.

MLA (9th ed.) Citation

Holmes, W T. Plane Geometry of Rotors in Pumps and Gears / by W.T. Holmes. Scientific Publishing Co., 1978.

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