APA (7th ed.) Citation

Lieback, P. (1984). How children learn mathematics: A guide for parents and teachers. Penguin.

Chicago Style (17th ed.) Citation

Lieback, Pamela. How Children Learn Mathematics: A Guide for Parents and Teachers. Harmondsworth, Middlesex, Eng: Penguin, 1984.

MLA (9th ed.) Citation

Lieback, Pamela. How Children Learn Mathematics: A Guide for Parents and Teachers. Penguin, 1984.