APA (7th ed.) Citation

CliffordlhGeorge E. Modern heating, ventilating, and air conditioning.

Chicago Style (17th ed.) Citation

CliffordlhGeorge E. Modern Heating, Ventilating, and Air Conditioning. New JerseylbPrentice Hall lc1989.

MLA (9th ed.) Citation

CliffordlhGeorge E. Modern Heating, Ventilating, and Air Conditioning.

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