APA (7th ed.) Citation

Pennycook, K. A. (2007). Refurbishment for energy efficiency: An overview. CIBSE.

Chicago Style (17th ed.) Citation

Pennycook, K. A. Refurbishment for Energy Efficiency: An Overview. London: CIBSE, 2007.

MLA (9th ed.) Citation

Pennycook, K. A. Refurbishment for Energy Efficiency: An Overview. CIBSE, 2007.

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