APA (7th ed.) Citation

Thum, E. E. (1917). A practice book in elementary metallurgy. John Wiley & sons, inc. [etc., etc.].

Chicago Style (17th ed.) Citation

Thum, Ernest Edgar. A Practice Book in Elementary Metallurgy. New York: John Wiley & sons, inc. [etc., etc.], 1917.

MLA (8th ed.) Citation

Thum, Ernest Edgar. A Practice Book in Elementary Metallurgy. John Wiley & sons, inc. [etc., etc.], 1917.