APA (7th ed.) Citation

Texas Energy Extension Service & Texas. Governor's Energy Management Center. (1989). Active solar water heating. Governor's Energy Management Center.

Chicago Style (17th ed.) Citation

Texas Energy Extension Service and Texas. Governor's Energy Management Center. Active Solar Water Heating. Austin, Texas: Governor's Energy Management Center, 1989.

MLA (9th ed.) Citation

Texas Energy Extension Service and Texas. Governor's Energy Management Center. Active Solar Water Heating. Governor's Energy Management Center, 1989.