APA (7th ed.) Citation

Lester, B. M., & Grace, C. O. (2005). Why is my baby crying?: The parent's survival guide for coping with crying problems and colic. HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Lester, Barry M., and Catherine O'Neill Grace. Why Is My Baby Crying?: The Parent's Survival Guide for Coping with Crying Problems and Colic. New York: HarperCollins Publishers, 2005.

MLA (9th ed.) Citation

Lester, Barry M., and Catherine O'Neill Grace. Why Is My Baby Crying?: The Parent's Survival Guide for Coping with Crying Problems and Colic. HarperCollins Publishers, 2005.