APA (7th ed.) Citation

Langley, B. (1974). Electric controls for refregeration and air conditioning. Prentice Hall.

Chicago Style (17th ed.) Citation

Langley, B.C. Electric Controls for Refregeration and Air Conditioning. Prentice Hall, 1974.

MLA (8th ed.) Citation

Langley, B.C. Electric Controls for Refregeration and Air Conditioning. Prentice Hall, 1974.

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