APA (7th ed.) Citation

(2011). Your child at 18 months (1 1/2 yrs) =: Su bebe a los 18 meses (1 1/2 anos). Department of Health and Human Services, Centers for Disease Control and Prevention.

Chicago Style (17th ed.) Citation

Your Child at 18 Months (1 1/2 Yrs) =: Su Bebe a Los 18 Meses (1 1/2 Anos). [Atlanta, Ga.]: Department of Health and Human Services, Centers for Disease Control and Prevention, 2011.

MLA (9th ed.) Citation

Your Child at 18 Months (1 1/2 Yrs) =: Su Bebe a Los 18 Meses (1 1/2 Anos). Department of Health and Human Services, Centers for Disease Control and Prevention, 2011.