APA
U.S. Department of Health and Human, . (1980). Services, Public health service. promoting health/preventing disease. Washington, DC: US.
Chicago
U.S. Department of Health and Human, . 1980. Services, Public health service. promoting health/preventing disease. Washington, DC: US.
Harvard
U.S. Department of Health and Human, . (1980). Services, Public health service. promoting health/preventing disease. Washington, DC: US.
MLA
U.S. Department of Health and Human, . Services, Public health service. promoting health/preventing disease. Washington, DC: US. 1980.