Gesell, A. (1952). Infant development: The embryology of early human behavior. Harper & Brothers Publishers.
Cita Chicago Style (17a ed.)Gesell, Arnold. Infant Development: The Embryology of Early Human Behavior. New York: Harper & Brothers Publishers, 1952.
Cita MLA (9a ed.)Gesell, Arnold. Infant Development: The Embryology of Early Human Behavior. Harper & Brothers Publishers, 1952.
Precaución: Estas citas no son 100% exactas.