Industrial instruments and changing technology,
by George Perazich, Herbert Schimmel and Benjamin Rosenberg.
APA Citation
Perazich, G., Rosenberg, B., Schimmel, H. (1938). Industrial instruments and changing technology. Philadelphia: W.P.A., Nat. research project.
MLA Citation
Perazich, George, Benjamin Rosenberg, and Herbert Schimmel. Industrial Instruments And Changing Technology. Philadelphia: W.P.A., Nat. research project, 1938.
Warning: These citations may not always be complete (especially for serials).