APA (7th ed.) Citation

Umar, H. H., & Asfour, O. S. Retrofit strategies to improve energy efficiency through the integration of thermal insulation into the residential buildings of Saudi Arabia. Elsevier.

Chicago Style (17th ed.) Citation

Umar, Hassan Hassan, and Omar S. Asfour. Retrofit Strategies to Improve Energy Efficiency Through the Integration of Thermal Insulation into the Residential Buildings of Saudi Arabia. Elsevier.

MLA (9th ed.) Citation

Umar, Hassan Hassan, and Omar S. Asfour. Retrofit Strategies to Improve Energy Efficiency Through the Integration of Thermal Insulation into the Residential Buildings of Saudi Arabia. Elsevier.

Warning: These citations may not always be 100% accurate.