APA (7th ed.) Citation

Usher, A. P. (1988). A history of mechanical inventions. Dover.

Chicago Style (17th ed.) Citation

Usher, Abbott Payson. A History of Mechanical Inventions. Nueva York: Dover, 1988.

MLA (9th ed.) Citation

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