APA (7th ed.) Citation

Langley, B. C. (1983). Heat pump technology (1. print.). Reston Publ. Co.

Chicago Style (17th ed.) Citation

Langley, Billy C. Heat Pump Technology. 1. print. Reston, Va: Reston Publ. Co, 1983.

MLA (9th ed.) Citation

Langley, Billy C. Heat Pump Technology. 1. print. Reston Publ. Co, 1983.

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