APA (7th ed.) Citation

Welsh, J., & McKeag, R. M. (1980). Structured system programming. Prentice-Hall International.

Chicago Style (17th ed.) Citation

Welsh, Jim, and R. M. McKeag. Structured System Programming. Englewood Cliffs, N.J.: Prentice-Hall International, 1980.

MLA (9th ed.) Citation

Welsh, Jim, and R. M. McKeag. Structured System Programming. Prentice-Hall International, 1980.