APA (7th ed.) Citation

Keats, J. A. (1978). Cognitive development: Research based on a neo-piagetian approach. Wiley.

Chicago Style (17th ed.) Citation

Keats, John A. Cognitive Development: Research Based on a Neo-piagetian Approach. Chichester [u.a.]: Wiley, 1978.

MLA (9th ed.) Citation

Keats, John A. Cognitive Development: Research Based on a Neo-piagetian Approach. Wiley, 1978.