APA (7th ed.) Citation
Chen, S. (1987). The IBM programmer's challenge: 50 challenging problems to test your programming skillswith solutions in BASIC, PASCAL and C. Summit.
Chicago Style (17th ed.) Citation
Chen, Steve. The IBM Programmer's Challenge: 50 Challenging Problems to Test Your Programming Skillswith Solutions in BASIC, PASCAL and C. Blue Ridge: Summit, 1987.
MLA (9th ed.) Citation
Chen, Steve. The IBM Programmer's Challenge: 50 Challenging Problems to Test Your Programming Skillswith Solutions in BASIC, PASCAL and C. Summit, 1987.
Warning: These citations may not always be 100% accurate.