APA (7th ed.) Citation

Hardee, R., & Volk, M. (2007). Gaining a Clear Picture of Pump Operation. Power Engineering, 111(8), 40.

Chicago Style (17th ed.) Citation

Hardee, Ray, and Mike Volk. "Gaining a Clear Picture of Pump Operation." Power Engineering 111, no. 8 (2007): 40.

MLA (9th ed.) Citation

Hardee, Ray, and Mike Volk. "Gaining a Clear Picture of Pump Operation." Power Engineering, vol. 111, no. 8, 2007, p. 40.