APA (7th ed.) Citation

Texas Energy Extension Service. (1986). Air conditioning systems ([Revised].). Texas Energy Extension Service.

Chicago Style (17th ed.) Citation

Texas Energy Extension Service. Air Conditioning Systems. [Revised]. College Station, Texas: Texas Energy Extension Service, 1986.

MLA (9th ed.) Citation

Texas Energy Extension Service. Air Conditioning Systems. [Revised]. Texas Energy Extension Service, 1986.