APA (7th ed.) Citation

Dudley, D. W. (1969). The evolution of the gear art. American Gear Manufacturers Association.

Chicago Style (17th ed.) Citation

Dudley, Darle W. The Evolution of the Gear Art. Washington: American Gear Manufacturers Association, 1969.

MLA (8th ed.) Citation

Dudley, Darle W. The Evolution of the Gear Art. American Gear Manufacturers Association, 1969.

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