APA (7th ed.) Citation

McGettrick, A. D., & Smith, P. D. (1983). Graded problems in computer science.

Chicago Style (17th ed.) Citation

McGettrick, Andrew D., and P. D. Smith. Graded Problems in Computer Science. 1983.

MLA (9th ed.) Citation

McGettrick, Andrew D., and P. D. Smith. Graded Problems in Computer Science. 1983.

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