APA (7th ed.) Citation

Delmar, Herman, S. L., & Sparkman, B. L. (1996). Electricity and controls for heating, ventilating, ahd air conditioning (3th ed.). Delmar.

Chicago Style (17th ed.) Citation

Delmar, Stephen L. Herman, and Bennie L. Sparkman. Electricity and Controls for Heating, Ventilating, Ahd Air Conditioning. 3th ed. Albany: Delmar, 1996.

MLA (8th ed.) Citation

Delmar, et al. Electricity and Controls for Heating, Ventilating, Ahd Air Conditioning. 3th ed. Delmar, 1996.