APA (7th ed.) Citation

Walker, J. D. (1965). National certificate mechanical engineering science. English Universities Press.

Chicago Style (17th ed.) Citation

Walker, J. D. National Certificate Mechanical Engineering Science. London: English Universities Press, 1965.

MLA (9th ed.) Citation

Walker, J. D. National Certificate Mechanical Engineering Science. English Universities Press, 1965.

Warning: These citations may not always be 100% accurate.