APA (7th ed.) Citation
Welsh, J., & Elder, J. (1988). Introduction to Pascal (3rd ed.). Prentice Hall.
Chicago Style (17th ed.) Citation
Welsh, Jim, and John Elder. Introduction to Pascal. 3rd ed. New York: Prentice Hall, 1988.
MLA (9th ed.) Citation
Welsh, Jim, and John Elder. Introduction to Pascal. 3rd ed. Prentice Hall, 1988.
Warning: These citations may not always be 100% accurate.