APA (7th ed.) Citation

Vidal, F. (1994). Piaget before Piaget. Harvard Univ. Press.

Chicago Style (17th ed.) Citation

Vidal, Fernando. Piaget Before Piaget. Cambridge, Mass. [u.a.]: Harvard Univ. Press, 1994.

MLA (9th ed.) Citation

Vidal, Fernando. Piaget Before Piaget. Harvard Univ. Press, 1994.