APA (7th ed.) Citation

CHANG & Kelly, P. K. (1993). Step-by-step problem solving: A practical guide to ensure probelms problems get (and stay) solved. London: Kogan Page, 1993.

Chicago Style (17th ed.) Citation

CHANG and P. Keith Kelly. Step-by-step Problem Solving: A Practical Guide to Ensure Probelms Problems Get (and Stay) Solved. London: London: Kogan Page, 1993, 1993.

MLA (8th ed.) Citation

CHANG and P. Keith Kelly. Step-by-step Problem Solving: A Practical Guide to Ensure Probelms Problems Get (and Stay) Solved. London: Kogan Page, 1993, 1993.

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