Cita APA

Houghton, P. S. (1952). Gears, spur, helical bevel and worm: A treatrise for draughtsmen, shop superentendents foremen, mechanics and students. Technical press.

Citación estilo Chicago

Houghton, P. S. Gears, Spur, Helical Bevel and Worm: A Treatrise for Draughtsmen, Shop Superentendents Foremen, Mechanics and Students. London: Technical press, 1952.

Cita MLA

Houghton, P. S. Gears, Spur, Helical Bevel and Worm: A Treatrise for Draughtsmen, Shop Superentendents Foremen, Mechanics and Students. London: Technical press, 1952.