Cita APA

Richmond, P. G. (1970). Introduction to Piaget. Routledge & K. Paul.

Citación estilo Chicago

Richmond, Peter Graham. Introduction to Piaget. London: Routledge & K. Paul, 1970.

Cita MLA

Richmond, Peter Graham. Introduction to Piaget. Routledge & K. Paul, 1970.

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