APA (7th ed.) Citation

American Society of Heating, Refrigerating and Air-Conditioning Engineers. (1991). 1991 ASHRAE handbook: Heating, ventilating, and air-conditioning applications (SI ed.). American Society of Heating, Refrigerating and Air-Conditioning Engineers.

Chicago Style (17th ed.) Citation

American Society of Heating, Refrigerating and Air-Conditioning Engineers. 1991 ASHRAE Handbook: Heating, Ventilating, and Air-conditioning Applications. SI ed. Atlanta, GA: American Society of Heating, Refrigerating and Air-Conditioning Engineers, 1991.

MLA (9th ed.) Citation

American Society of Heating, Refrigerating and Air-Conditioning Engineers. 1991 ASHRAE Handbook: Heating, Ventilating, and Air-conditioning Applications. SI ed. American Society of Heating, Refrigerating and Air-Conditioning Engineers, 1991.