APA (7th ed.) Citation

Lang, V. P. (1979). Principles of airconditioning (3rd ed.). Delmar.

Chicago Style (17th ed.) Citation

Lang, V. Paul. Principles of Airconditioning. 3rd ed. New York: Delmar, 1979.

MLA (9th ed.) Citation

Lang, V. Paul. Principles of Airconditioning. 3rd ed. Delmar, 1979.