APA (7th ed.) Citation

Beakley, G. C., & Leach, H. W. (1975). The slide rule, electronic hand calculator, and metrification in problem solving (3d ed.). Macmillan.

Chicago Style (17th ed.) Citation

Beakley, George C., and H. W. Leach. The Slide Rule, Electronic Hand Calculator, and Metrification in Problem Solving. 3d ed. New York: Macmillan, 1975.

MLA (8th ed.) Citation

Beakley, George C., and H. W. Leach. The Slide Rule, Electronic Hand Calculator, and Metrification in Problem Solving. 3d ed. Macmillan, 1975.