APA (7th ed.) Citation

Illingworth, R. S. (1980). The development of the infant and young child : normal and abnormal / (by) R. S. Illingworth: Normal and abnormal (7th ed.). Churchill Livingstone.

Chicago Style (17th ed.) Citation

Illingworth, Ronald S. The Development of the Infant and Young Child : Normal and Abnormal / (by) R. S. Illingworth: Normal and Abnormal. 7th ed. Edinburgh (etc.): Churchill Livingstone, 1980.

MLA (9th ed.) Citation

Illingworth, Ronald S. The Development of the Infant and Young Child : Normal and Abnormal / (by) R. S. Illingworth: Normal and Abnormal. 7th ed. Churchill Livingstone, 1980.

Warning: These citations may not always be 100% accurate.