APA (7th ed.) Citation

Khanna, O. (1990). A textbook of welding technology: For engineering students. Dr. O. P. Khanna.

Chicago Style (17th ed.) Citation

Khanna, O.P. A Textbook of Welding Technology: For Engineering Students. Delhi: Dr. O. P. Khanna, 1990.

MLA (8th ed.) Citation

Khanna, O.P. A Textbook of Welding Technology: For Engineering Students. Dr. O. P. Khanna, 1990.