APA (7th ed.) Citation

Leestma, S., & Nyhoff, L. R. (1990). Turbo Pascal: Programming and problem solving. Macmillan.

Chicago Style (17th ed.) Citation

Leestma, Sanford, and Larry R. Nyhoff. Turbo Pascal: Programming and Problem Solving. New York: Macmillan, 1990.

MLA (9th ed.) Citation

Leestma, Sanford, and Larry R. Nyhoff. Turbo Pascal: Programming and Problem Solving. Macmillan, 1990.