APA (7th ed.) Citation

Krulik, S., & Rudnick, J. A. (1980). Problem solving: A handbook for teachers. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Krulik, Stephen, and Jesse A. Rudnick. Problem Solving: A Handbook for Teachers. Boston: Allyn and Bacon, 1980.

MLA (9th ed.) Citation

Krulik, Stephen, and Jesse A. Rudnick. Problem Solving: A Handbook for Teachers. Allyn and Bacon, 1980.