Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Newell, Allen, y Herbert Alexander Simon. Human Problem Solving. Englewood Cliffs: Prentice Hall, 1972.

Cita MLA (9a ed.)

Newell, Allen, y Herbert Alexander Simon. Human Problem Solving. Prentice Hall, 1972.