APA (7th ed.) Citation

Leestma, S., & Hyhoff, L. R. (1990). Pascal: Programming and problem solving. Macmillan Publishing Co.

Chicago Style (17th ed.) Citation

Leestma, Sanford, and Larry R. Hyhoff. Pascal: Programming and Problem Solving. New York: Macmillan Publishing Co, 1990.

MLA (9th ed.) Citation

Leestma, Sanford, and Larry R. Hyhoff. Pascal: Programming and Problem Solving. Macmillan Publishing Co, 1990.