APA (7th ed.) Citation

Usher, A. P. (1966). A history of mechanical inventions (Rev. ed.). Harvard University Press.

Chicago Style (17th ed.) Citation

Usher, Abbott Payson. A History of Mechanical Inventions. Rev. ed. [Cambridge, Mass.]: Harvard University Press, 1966.

MLA (9th ed.) Citation

Usher, Abbott Payson. A History of Mechanical Inventions. Rev. ed. Harvard University Press, 1966.