APA (7th ed.) Citation

Langley, B. C. (2002). Heat pump technology / Billy C. Langley (3rd ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Langley, Billy C. Heat Pump Technology / Billy C. Langley. 3rd ed. Upper Saddle River, N.J.: Prentice Hall, 2002.

MLA (9th ed.) Citation

Langley, Billy C. Heat Pump Technology / Billy C. Langley. 3rd ed. Prentice Hall, 2002.

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