APA (7th ed.) Citation

McGettrick, A. D., & Smith, P. D. (1983). Graded problems in computer science. Addison-Wesley Pub. Co.

Chicago Style (17th ed.) Citation

McGettrick, Andrew D., and Peter DeCost Smith. Graded Problems in Computer Science. London: Addison-Wesley Pub. Co, 1983.

MLA (9th ed.) Citation

McGettrick, Andrew D., and Peter DeCost Smith. Graded Problems in Computer Science. Addison-Wesley Pub. Co, 1983.