Cita APA

Buckingham, E., & Ryffel, H. H. (1960). Design of worm and spiral gears. Industrial press.

Citación estilo Chicago

Buckingham, Earle., and Henry H. Ryffel. Design of Worm and Spiral Gears. New York: Industrial press, 1960.

Cita MLA

Buckingham, Earle., and Henry H. Ryffel. Design of Worm and Spiral Gears. New York: Industrial press, 1960.