APA (7th ed.) Citation

Krulik, S., & Rudnick, J. A. (1987). Problem solving: A handbook for teachers (2nd ed.). Allyn and Bacon.

Chicago Style (17th ed.) Citation

Krulik, Stephen, and Jesse A. Rudnick. Problem Solving: A Handbook for Teachers. 2nd ed. Boston, Mass.: Allyn and Bacon, 1987.

MLA (9th ed.) Citation

Krulik, Stephen, and Jesse A. Rudnick. Problem Solving: A Handbook for Teachers. 2nd ed. Allyn and Bacon, 1987.