APA (7th ed.) Citation

Sonna, L. (2005). Early-start potty training. McGraw-Hill, Inc..

Chicago Style (17th ed.) Citation

Sonna, Linda. Early-start Potty Training. New York: McGraw-Hill, Inc., 2005.

MLA (9th ed.) Citation

Sonna, Linda. Early-start Potty Training. McGraw-Hill, Inc., 2005.