Cita APA (7a ed.)

De Bono, E. (1992). Children solve problems (Repr. of the first print of 1972.). Penguin books.

Cita Chicago Style (17a ed.)

De Bono, Edward. Children Solve Problems. Repr. of the first print of 1972. London: Penguin books, 1992.

Cita MLA (9a ed.)

De Bono, Edward. Children Solve Problems. Repr. of the first print of 1972. Penguin books, 1992.