Cita APA (7th ed.)
Gesell, A. (1948). Studies in child development. Greenwood Press.
Cita Chicago (17th ed.)
Gesell, Arnold. Studies in Child Development. Westport, Conn.: Greenwood Press, 1948.
Cita MLA (9th ed.)
Gesell, Arnold. Studies in Child Development. Greenwood Press, 1948.
Atenció: Aquestes cites poden no estar 100% correctes.