APA (7th ed.) Citation
Simons, E. e. a. (1972). Testing of metals. Newton Abbot, David and Charles.
Chicago Style (17th ed.) Citation
Simons, E.N. et al. Testing of Metals. [s.l.]: Newton Abbot, David and Charles, 1972.
MLA (9th ed.) Citation
Simons, E.N. et al. Testing of Metals. Newton Abbot, David and Charles, 1972.
Warning: These citations may not always be 100% accurate.