APA (7th ed.) Citation

Langley, B. C. (1985). Control systems for air conditioning and refrigeration. Prentice-Hall.

Chicago Style (17th ed.) Citation

Langley, Billy C. Control Systems for Air Conditioning and Refrigeration. Englewood Cliffs, N.J.: Prentice-Hall, 1985.

MLA (9th ed.) Citation

Langley, Billy C. Control Systems for Air Conditioning and Refrigeration. Prentice-Hall, 1985.