Citazione Stile APA (7a Edizione)

Gordon, I. J. (1971). On early learning: The modifiability of human potential. ASCD.

Citazione stile Chigago Style (17a edizione)

Gordon, Ira J. On Early Learning: The Modifiability of Human Potential. Washington, DC: ASCD, 1971.

Citatione MLA (9a ed.)

Gordon, Ira J. On Early Learning: The Modifiability of Human Potential. ASCD, 1971.