APA (7th ed.) Citation

Clifford, G. E. (1993). Modern heating and ventilating systems design (New ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Clifford, George E. Modern Heating and Ventilating Systems Design. New ed. Englewood Cliffs, NJ: Prentice-Hall, 1993.

MLA (8th ed.) Citation

Clifford, George E. Modern Heating and Ventilating Systems Design. New ed. Prentice-Hall, 1993.