APA (7th ed.) Citation

Parks, R. K., Denholm, P., & Markel, A. J. (2006). PHEV impacts on regional systems. National Renewable Energy Laboratory.

Chicago Style (17th ed.) Citation

Parks, R. Keith, P. Denholm, and A. J. Markel. PHEV Impacts on Regional Systems. Golden, CO: National Renewable Energy Laboratory, 2006.

MLA (9th ed.) Citation

Parks, R. Keith, et al. PHEV Impacts on Regional Systems. National Renewable Energy Laboratory, 2006.