APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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