APA (7th ed.) Citation

(2011). Your baby at 9 months =: Su bebe a los 9 meses. Department of Health and Human Services, Centers for Disease Control and Prevention.

Chicago Style (17th ed.) Citation

Your Baby at 9 Months =: Su Bebe a Los 9 Meses. [Atlanta, Ga.]: Department of Health and Human Services, Centers for Disease Control and Prevention, 2011.

MLA (9th ed.) Citation

Your Baby at 9 Months =: Su Bebe a Los 9 Meses. Department of Health and Human Services, Centers for Disease Control and Prevention, 2011.