APA (7th ed.) Citation

Enos, G. M. (1940). Visual examinations of steel: A series of three educational lectures presented to members of the American society for metals during the twenty first National metal congress and exposition, Chicago, Illinois, October 23 to 27, 1939. [publisher not identified].

Chicago Style (17th ed.) Citation

Enos, George Magee. Visual Examinations of Steel: A Series of Three Educational Lectures Presented to Members of the American Society for Metals During the Twenty First National Metal Congress and Exposition, Chicago, Illinois, October 23 to 27, 1939. [Cleveland]: [publisher not identified], 1940.

MLA (9th ed.) Citation

Enos, George Magee. Visual Examinations of Steel: A Series of Three Educational Lectures Presented to Members of the American Society for Metals During the Twenty First National Metal Congress and Exposition, Chicago, Illinois, October 23 to 27, 1939. [publisher not identified], 1940.