APA

National Center for Health Statistics U.S, .Summary health statistics for the U.S. population. Hyattsville,Md: Dept. of Health & Human Services, Cnters for Disease Control and Prevention, National Center for Health Statistics.

Chicago

National Center for Health Statistics U.S, .Summary health statistics for the U.S. population. Hyattsville,Md: Dept. of Health & Human Services, Cnters for Disease Control and Prevention, National Center for Health Statistics.

Harvard

National Center for Health Statistics U.S, .Summary health statistics for the U.S. population. Hyattsville,Md: Dept. of Health & Human Services, Cnters for Disease Control and Prevention, National Center for Health Statistics.

MLA

National Center for Health Statistics U.S, .Hyattsville,Md: Dept. of Health & Human Services, Cnters for Disease Control and Prevention, National Center for Health Statistics. .