APA

Blackwell D. L., Tonthat L. & National Center for Health Statistics U.S. (2002). Summary health statistics for the U.S. population: National health interview survey, 1998. Hyattsville, Md: Dept. of Health & Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics.

Chicago

Blackwell Debra L, Tonthat Luong and National Center for Health Statistics U.S. 2002. Summary health statistics for the U.S. population: National health interview survey, 1998. Hyattsville, Md: Dept. of Health & Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics.

Harvard

Blackwell D. L., Tonthat L. and National Center for Health Statistics U.S. (2002). Summary health statistics for the U.S. population: National health interview survey, 1998. Hyattsville, Md: Dept. of Health & Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics.

MLA

Blackwell Debra L, Tonthat Luong and National Center for Health Statistics U.S. Summary health statistics for the U.S. population: National health interview survey, 1998. Hyattsville, Md: Dept. of Health & Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics. 2002.