APA

Centers for Disease Control and Prevention (U.S.), . (2011). Your baby at 2 months =: su bebe a los 2 meses. [Atlanta, GA]: Department of Health and Human Services, Centers for Disease Control and Prevention.

Chicago

Centers for Disease Control and Prevention (U.S.), . 2011. Your baby at 2 months =: su bebe a los 2 meses. [Atlanta, GA]: Department of Health and Human Services, Centers for Disease Control and Prevention.

Harvard

Centers for Disease Control and Prevention (U.S.), . (2011). Your baby at 2 months =: su bebe a los 2 meses. [Atlanta, GA]: Department of Health and Human Services, Centers for Disease Control and Prevention.

MLA

Centers for Disease Control and Prevention (U.S.), . Your baby at 2 months =: su bebe a los 2 meses. [Atlanta, GA]: Department of Health and Human Services, Centers for Disease Control and Prevention. 2011.