Wason, P. C., & Johnson-Laird, P. N. (1968). Thinking and reasoning: Selected readings. Penguin.
Citazione stile Chigago Style (17a edizione)Wason, Peter Cathcart, e Philip Nicholas Johnson-Laird. Thinking and Reasoning: Selected Readings. [Harmondsworth: Penguin, 1968.
Citatione MLA (9a ed.)Wason, Peter Cathcart, e Philip Nicholas Johnson-Laird. Thinking and Reasoning: Selected Readings. Penguin, 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.