APA (7th ed.) Citation

Perryman, R. J., & Davidson, R. (1974). Enter the stepper motor, a reborn process driving force. Process Engineering, 48.

Chicago Style (17th ed.) Citation

Perryman, R. J., and R. Davidson. "Enter the Stepper Motor, a Reborn Process Driving Force." Process Engineering 1974: 48.

MLA (9th ed.) Citation

Perryman, R. J., and R. Davidson. "Enter the Stepper Motor, a Reborn Process Driving Force." Process Engineering, 1974, p. 48.