APA (7th ed.) Citation

Blackman, D. R. (1969). SI units in engineering. Macmillan.

Chicago Style (17th ed.) Citation

Blackman, D. R. SI Units in Engineering. Melbourne: Macmillan, 1969.

MLA (8th ed.) Citation

Blackman, D. R. SI Units in Engineering. Macmillan, 1969.