Metallurgy,
by Carl G. Johnson, and R. S. Dean, and J. L. Gregg.

APA Citation

Johnson, C. Gunnard., Gregg, J. Lawrence., Dean, R. Scott. (1938). Metallurgy. Chicago: American technical society.

MLA Citation

Johnson, Carl Gunnard, James Lawrence Gregg, and Reginald Scott Dean. Metallurgy. Chicago: American technical society, 1938.

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