APA (7th ed.) Citation

Maxwell, E. L., Stoffel, T. L., & Bird, R. E. (1986). Measuring and modeling solar irradiance on vertical surfaces. Solar Energy Research Institute.

Chicago Style (17th ed.) Citation

Maxwell, Eugene L., Thomas L. Stoffel, and R. E. Bird. Measuring and Modeling Solar Irradiance on Vertical Surfaces. Golden, Colo.: Solar Energy Research Institute, 1986.

MLA (9th ed.) Citation

Maxwell, Eugene L., et al. Measuring and Modeling Solar Irradiance on Vertical Surfaces. Solar Energy Research Institute, 1986.