APA (7th ed.) Citation

Porges, F. (1991). HVAC engineer's handbook (9th ed.). Butterworth-Heinemann.

Chicago Style (17th ed.) Citation

Porges, Fred. HVAC Engineer's Handbook. 9th ed. Oxford: Butterworth-Heinemann, 1991.

MLA (9th ed.) Citation

Porges, Fred. HVAC Engineer's Handbook. 9th ed. Butterworth-Heinemann, 1991.

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