Citazione APA

Newell, A., & Simon, H. A. (1972). Human problem solving. Prentice-Hall of India.

Stile di citazione Chicago

Newell, Allen, e Herbert A. Simon. Human Problem Solving. Englewood Cliffs: Prentice-Hall of India, 1972.

Citazione MLA

Newell, Allen, e Herbert A. Simon. Human Problem Solving. Prentice-Hall of India, 1972.