APA (7th ed.) Citation

Piaget, J. (1980). Six psychological studies / by J. Piaget ; edited by D. Elkind. Harvester P.

Chicago Style (17th ed.) Citation

Piaget, Jean. Six Psychological Studies / by J. Piaget ; Edited by D. Elkind. Harvester P, 1980.

MLA (9th ed.) Citation

Piaget, Jean. Six Psychological Studies / by J. Piaget ; Edited by D. Elkind. Harvester P, 1980.

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