APA

Hsiao C., Hing E. & National Center for Health Statistics (U.S.). (2014). Use and characteristics of electronic health record systems among office-based physician practices: United States, 2001-2013. Hyattsville, MD: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics.

Chicago

Hsiao Chun-Ju, Hing Esther and National Center for Health Statistics (U.S.). 2014. Use and characteristics of electronic health record systems among office-based physician practices: United States, 2001-2013. Hyattsville, MD: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics.

Harvard

Hsiao C., Hing E. and National Center for Health Statistics (U.S.). (2014). Use and characteristics of electronic health record systems among office-based physician practices: United States, 2001-2013. Hyattsville, MD: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics.

MLA

Hsiao Chun-Ju, Hing Esther and National Center for Health Statistics (U.S.). Use and characteristics of electronic health record systems among office-based physician practices: United States, 2001-2013. Hyattsville, MD: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics. 2014.