APA (7th ed.) Citation

O'Shea, J. S. (1988). Under three: A comprehensive guide to caring for your baby and toddler. Van Nostrand Reinhold.

Chicago Style (17th ed.) Citation

O'Shea, John S. Under Three: A Comprehensive Guide to Caring for Your Baby and Toddler. New York: Van Nostrand Reinhold, 1988.

MLA (9th ed.) Citation

O'Shea, John S. Under Three: A Comprehensive Guide to Caring for Your Baby and Toddler. Van Nostrand Reinhold, 1988.

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