APA (7th ed.) Citation

Murr, R., Faraj, J., Hage, H. E., & Khaled, M. Renewable energy as an auxiliary to heat pumps: Performance evaluation of hybrid solar-geothermal-systems. Elsevier.

Chicago Style (17th ed.) Citation

Murr, Rabih, Jalal Faraj, Hicham El Hage, and Mahmoud Khaled. Renewable Energy as an Auxiliary to Heat Pumps: Performance Evaluation of Hybrid Solar-geothermal-systems. Elsevier.

MLA (9th ed.) Citation

Murr, Rabih, et al. Renewable Energy as an Auxiliary to Heat Pumps: Performance Evaluation of Hybrid Solar-geothermal-systems. Elsevier.