Citação norma APA

Herr, T., & Johnson, K. (1994). Problem solving strategies: Crossing the river with dogs and other mathematical adventures. Key Curriculum Press.

Citação norma Chicago

Herr, Ted, and Ken Johnson. Problem Solving Strategies: Crossing the River with Dogs and Other Mathematical Adventures. Berkeley, Calif: Key Curriculum Press, 1994.

Citação norma MLA

Herr, Ted, and Ken Johnson. Problem Solving Strategies: Crossing the River with Dogs and Other Mathematical Adventures. Key Curriculum Press, 1994.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.