APA (7th ed.) Citation

Welsh, J., & Elder, J. (1987). Introduction to Modula-2 / Jim Welsh, John Elder. Prentice-Hall.

Chicago Style (17th ed.) Citation

Welsh, Jim, and John Elder. Introduction to Modula-2 / Jim Welsh, John Elder. New York ; London: Prentice-Hall, 1987.

MLA (9th ed.) Citation

Welsh, Jim, and John Elder. Introduction to Modula-2 / Jim Welsh, John Elder. Prentice-Hall, 1987.

Warning: These citations may not always be 100% accurate.