APA (7th ed.) Citation

Egg, J., & Howard, B. C. Geothermal HVAC: Green heating and cooling.

Chicago Style (17th ed.) Citation

Egg, Jay, and Brian C. Howard. Geothermal HVAC: Green Heating and Cooling.

MLA (8th ed.) Citation

Egg, Jay, and Brian C. Howard. Geothermal HVAC: Green Heating and Cooling.

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