Gilbert, S. D. (1972). Three years to grow: Guidance for your child's first three years. Parents' Magazine Press.
Citação norma ChicagoGilbert, Sara D. Three Years to Grow: Guidance for Your Child's First Three Years. New York: Parents' Magazine Press, 1972.
Citação norma MLAGilbert, Sara D. Three Years to Grow: Guidance for Your Child's First Three Years. Parents' Magazine Press, 1972.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.