APA (7th ed.) Citation

Al-Rawi, N. A. (1991). A simple, accurate and reliable method for measuring the sun's elevation and orientation. Renewable Energy: An International Journal, 1(2), 231. https://doi.org/10.1016/0960-1481(91)90080-9

Chicago Style (17th ed.) Citation

Al-Rawi, N. A. "A Simple, Accurate and Reliable Method for Measuring the Sun's Elevation and Orientation." Renewable Energy: An International Journal 1, no. 2 (1991): 231. https://doi.org/10.1016/0960-1481(91)90080-9.

MLA (9th ed.) Citation

Al-Rawi, N. A. "A Simple, Accurate and Reliable Method for Measuring the Sun's Elevation and Orientation." Renewable Energy: An International Journal, vol. 1, no. 2, 1991, p. 231, https://doi.org/10.1016/0960-1481(91)90080-9.