APA
U. S. Dept. of Health and Human services, . (1993). Sickle cell disease. Rockville, MD: U.S. Dept. of Health and Human Services.
Chicago
U. S. Dept. of Health and Human services, . 1993. Sickle cell disease. Rockville, MD: U.S. Dept. of Health and Human Services.
Harvard
U. S. Dept. of Health and Human services, . (1993). Sickle cell disease. Rockville, MD: U.S. Dept. of Health and Human Services.
MLA
U. S. Dept. of Health and Human services, . Sickle cell disease. Rockville, MD: U.S. Dept. of Health and Human Services. 1993.