APA (7th ed.) Citation

Hartling, J. M., Druffel, L. E., & Hilbing, F. J. (1983). Introduction to computer programming: A problem-solving approach. Digital Pr.

Chicago Style (17th ed.) Citation

Hartling, John M., Larry E. Druffel, and F. J. Hilbing. Introduction to Computer Programming: A Problem-solving Approach. Bedford, Mass: Digital Pr, 1983.

MLA (9th ed.) Citation

Hartling, John M., et al. Introduction to Computer Programming: A Problem-solving Approach. Digital Pr, 1983.