APA (7th ed.) Citation

Illingworth, R. S. (1981). Your child's development in the first five years. Churchill Livingstone.

Chicago Style (17th ed.) Citation

Illingworth, Ronald S. Your Child's Development in the First Five Years. Edinburgh: Churchill Livingstone, 1981.

MLA (8th ed.) Citation

Illingworth, Ronald S. Your Child's Development in the First Five Years. Churchill Livingstone, 1981.

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