APA (7th ed.) Citation

Ord, H. (1970). Engineering drawing and materials: For mechanical engineering technicians (3rd (SI) ed.). English Universities Press.

Chicago Style (17th ed.) Citation

Ord, H. Engineering Drawing and Materials: For Mechanical Engineering Technicians. 3rd (SI) ed. London: English Universities Press, 1970.

MLA (9th ed.) Citation

Ord, H. Engineering Drawing and Materials: For Mechanical Engineering Technicians. 3rd (SI) ed. English Universities Press, 1970.