Style de citation APA (7e éd.)

BALLARD, C. (2001). HOW DO WE THINK (1st.). HODDER CHILDREN'S BOOKS.

Style de citation Chicago (17e éd.)

BALLARD, CAROL. HOW DO WE THINK. 1st. LONDON: HODDER CHILDREN'S BOOKS, 2001.

Style de citation MLA (9e éd.)

BALLARD, CAROL. HOW DO WE THINK. 1st. HODDER CHILDREN'S BOOKS, 2001.