APA (7th ed.) Citation

Schonwald, A. D., & Sheldon, G. G. (2006). The pocket idiot's guide to potty training problems. Alpha Books.

Chicago Style (17th ed.) Citation

Schonwald, Alison D., and George G. Sheldon. The Pocket Idiot's Guide to Potty Training Problems. NY: Alpha Books, 2006.

MLA (9th ed.) Citation

Schonwald, Alison D., and George G. Sheldon. The Pocket Idiot's Guide to Potty Training Problems. Alpha Books, 2006.