APA (7th ed.) Citation

Lang, V. P. (1987). Principles of air conditioning (4th ed.). Delmar Publishers.

Chicago Style (17th ed.) Citation

Lang, V. Paul. Principles of Air Conditioning. 4th ed. Albany, N.Y.: Delmar Publishers, 1987.

MLA (9th ed.) Citation

Lang, V. Paul. Principles of Air Conditioning. 4th ed. Delmar Publishers, 1987.