Cita APA (7a ed.)

201784 Krulik, S., & Rudnick, J. A. (1980). Problem solving: A handbook for teachers. Boston : Allyn and Bacon.

Cita Chicago Style (17a ed.)

201784 Krulik, Stephen, y Jesse A. Rudnick. Problem Solving: A Handbook for Teachers. Boston : Allyn and Bacon, 1980.

Cita MLA (9a ed.)

201784 Krulik, Stephen, y Jesse A. Rudnick. Problem Solving: A Handbook for Teachers. Boston : Allyn and Bacon, 1980.