APA

Gesell A. L., . (1930). The mental growth of the pre-school child: a psychological outline of normal development from birth to the sixth year, including a system of developmental diagnosis. New York: MacMillan Company.

Chicago

Gesell Arnold Lucius, . 1930. The mental growth of the pre-school child: a psychological outline of normal development from birth to the sixth year, including a system of developmental diagnosis. New York: MacMillan Company.

Harvard

Gesell A. L., . (1930). The mental growth of the pre-school child: a psychological outline of normal development from birth to the sixth year, including a system of developmental diagnosis. New York: MacMillan Company.

MLA

Gesell Arnold Lucius, . The mental growth of the pre-school child: a psychological outline of normal development from birth to the sixth year, including a system of developmental diagnosis. New York: MacMillan Company. 1930.