APA (7th ed.) Citation

Liu, G. (2014). Development of a general sustainability indicator for renewable energy systems: A review. Renewable & sustainable energy reviews, 31, 611-621. https://doi.org/10.1016/j.rser.2013.12.038

Chicago Style (17th ed.) Citation

Liu, Gang. "Development of a General Sustainability Indicator for Renewable Energy Systems: A Review." Renewable & Sustainable Energy Reviews 31 (2014): 611-621. https://doi.org/10.1016/j.rser.2013.12.038.

MLA (9th ed.) Citation

Liu, Gang. "Development of a General Sustainability Indicator for Renewable Energy Systems: A Review." Renewable & Sustainable Energy Reviews, vol. 31, 2014, pp. 611-621, https://doi.org/10.1016/j.rser.2013.12.038.