APA Edition Citation

Richmond, P. G. (1970). An introduction to Piaget. Routledge & Kegan Paul.

Chicago Edition Citation

Richmond, P G. An Introduction to Piaget. London: Routledge & Kegan Paul, 1970.

MLA Edition Citation

Richmond, P G. An Introduction to Piaget. Routledge & Kegan Paul, 1970.

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