APA (7th ed.) Citation

Helmore, G. A. (1969). Piaget: A practical consideration. Pergamon Press.

Chicago Style (17th ed.) Citation

Helmore, G. A. Piaget: A Practical Consideration. Oxford: Pergamon Press, 1969.

MLA (9th ed.) Citation

Helmore, G. A. Piaget: A Practical Consideration. Pergamon Press, 1969.

Warning: These citations may not always be 100% accurate.