APA (7th ed.) Citation

Khurmi, R. S., & Gupta, R. S. (1978). A textbook of thermal engineering: S.I. units. S. Chand.

Chicago Style (17th ed.) Citation

Khurmi, R. S., and R. S. Gupta. A Textbook of Thermal Engineering: S.I. Units. New Delhi: S. Chand, 1978.

MLA (8th ed.) Citation

Khurmi, R. S., and R. S. Gupta. A Textbook of Thermal Engineering: S.I. Units. S. Chand, 1978.