APA (7th ed.) Citation

Illingworth, R. S. (1980). The development of the infant and young child: Normal and abnormal (Seventh edition.). Churchill Livingstone.

Chicago Style (17th ed.) Citation

Illingworth, Ronald S. The Development of the Infant and Young Child: Normal and Abnormal. Seventh edition. Edinburgh ; New York: Churchill Livingstone, 1980.

MLA (9th ed.) Citation

Illingworth, Ronald S. The Development of the Infant and Young Child: Normal and Abnormal. Seventh edition. Churchill Livingstone, 1980.