APA (7th ed.) Citation

Welsh, J., & Elder, J. (1988). Introduction to Pascal (3. ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Welsh, Jim, and John Elder. Introduction to Pascal. 3. ed. New York u.a: Prentice Hall, 1988.

MLA (9th ed.) Citation

Welsh, Jim, and John Elder. Introduction to Pascal. 3. ed. Prentice Hall, 1988.