APA (7th ed.) Citation

Bird, J. O., & May, A. J. C. (1980). Mathematics for electrical technicians, Level 3. Longman.

Chicago Style (17th ed.) Citation

Bird, J. O., and A. J. C. May. Mathematics for Electrical Technicians, Level 3. London: Longman, 1980.

MLA (8th ed.) Citation

Bird, J. O., and A. J. C. May. Mathematics for Electrical Technicians, Level 3. Longman, 1980.