APA (7th ed.) Citation

Treviño, S. N., & Offner, F. (1940). A.c. operated d.c. amplifier with large current output. Review of Scientific Instruments, 11, 412.

Chicago Style (17th ed.) Citation

Treviño, S. N., and F. Offner. "A.c. Operated D.c. Amplifier with Large Current Output." Review of Scientific Instruments 11 (1940): 412.

MLA (9th ed.) Citation

Treviño, S. N., and F. Offner. "A.c. Operated D.c. Amplifier with Large Current Output." Review of Scientific Instruments, vol. 11, 1940, p. 412.