APA (7th ed.) Citation

Piaget, J., Varma, V. P., & Williams, P. (1976). Piaget, psychology and education: Papers in honour of Jean Piaget. Hodder and Stoughton.

Chicago Style (17th ed.) Citation

Piaget, Jean, Ved P. Varma, and Phillip Williams. Piaget, Psychology and Education: Papers in Honour of Jean Piaget. London [etc.]: Hodder and Stoughton, 1976.

MLA (9th ed.) Citation

Piaget, Jean, et al. Piaget, Psychology and Education: Papers in Honour of Jean Piaget. Hodder and Stoughton, 1976.