APA (7th ed.) Citation

Piaget, J. Six études de psychologie. Gonthier ([Paris,] Genève).

Chicago Style (17th ed.) Citation

Piaget, Jean. Six études De Psychologie. Gonthier ([Paris,] Genève).

MLA (8th ed.) Citation

Piaget, Jean. Six études De Psychologie. Gonthier ([Paris,] Genève).

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