APA (7th ed.) Citation

Day, A. R., Ratcliffe, M. S., & Shepherd, K. (2003). Heating systems, plant and control. Blackwell Science.

Chicago Style (17th ed.) Citation

Day, A. R., Martin S. Ratcliffe, and Keith Shepherd. Heating Systems, Plant and Control. Oxford: Blackwell Science, 2003.

MLA (8th ed.) Citation

Day, A. R., et al. Heating Systems, Plant and Control. Blackwell Science, 2003.