APA (7th ed.) Citation

Beakley, G. C., & Leach, H. W. (1969). The slide rule and its use in problem solving (2d ed.). Macmillan.

Chicago Style (17th ed.) Citation

Beakley, George C., and H. W. Leach. The Slide Rule and Its Use in Problem Solving. 2d ed. [New York]: Macmillan, 1969.

MLA (9th ed.) Citation

Beakley, George C., and H. W. Leach. The Slide Rule and Its Use in Problem Solving. 2d ed. Macmillan, 1969.