APA (7th ed.) Citation

Welsh, J., Elder, J., & Bustard, D. (1984). Sequential program structures. Prentice/Hall International.

Chicago Style (17th ed.) Citation

Welsh, Jim, John Elder, and David Bustard. Sequential Program Structures. Englewood Cliffs, N.J: Prentice/Hall International, 1984.

MLA (9th ed.) Citation

Welsh, Jim, et al. Sequential Program Structures. Prentice/Hall International, 1984.