The engineers' manual,
by Ralph G. Hudson ...

APA Citation

Hudson, R. G. (Ralph Gorton). (1939). The engineers' manual. 2d ed. New York: J. Wiley & Sons, inc..

MLA Citation

Hudson, Ralph G. (Ralph Gorton), b. 1885. The Engineers' Manual. 2d ed. New York: J. Wiley & Sons, inc., 1939.

Warning: These citations may not always be complete (especially for serials).