APA
Cypress B. K., National Center for Health Statistics (U.S.) & National Ambulatory Medical Care Survey (U.S.). (1978). Office visits to internists: the National Ambulatory Medical Care Survey, United States, 1975. Hyattsville, Md: U.S. Department of Health, Education, and Welfare, Public Health Service, Office of the Assistant Secretary for Health, National Center for Health Statistics.
Chicago
Cypress Beulah K, National Center for Health Statistics (U.S.) and National Ambulatory Medical Care Survey (U.S.). 1978. Office visits to internists: the National Ambulatory Medical Care Survey, United States, 1975. Hyattsville, Md: U.S. Department of Health, Education, and Welfare, Public Health Service, Office of the Assistant Secretary for Health, National Center for Health Statistics.
Harvard
Cypress B. K., National Center for Health Statistics (U.S.) and National Ambulatory Medical Care Survey (U.S.). (1978). Office visits to internists: the National Ambulatory Medical Care Survey, United States, 1975. Hyattsville, Md: U.S. Department of Health, Education, and Welfare, Public Health Service, Office of the Assistant Secretary for Health, National Center for Health Statistics.
MLA
Cypress Beulah K, National Center for Health Statistics (U.S.) and National Ambulatory Medical Care Survey (U.S.). Office visits to internists: the National Ambulatory Medical Care Survey, United States, 1975. Hyattsville, Md: U.S. Department of Health, Education, and Welfare, Public Health Service, Office of the Assistant Secretary for Health, National Center for Health Statistics. 1978.