Cita APA (7a ed.)

Usher, A. P. (1988). A History of mechanical inventions (Revised Edition.). Dover.

Cita Chicago Style (17a ed.)

Usher, Abbott Payson. A History of Mechanical Inventions. Revised Edition. New York: Dover, 1988.

Cita MLA (9a ed.)

Usher, Abbott Payson. A History of Mechanical Inventions. Revised Edition. Dover, 1988.