APA Style

Services, U, S, D, O, H, A, H. (2007). Medical Subject Heading vol.48 . Bethesda: U.S Dept of Health \r Human Services.

MLA Style

Services, United, State, Departement, Of, Health, And, Human. "Medical Subject Heading vol.48". Bethesda: U.S Dept of Health \r Human Services, 2007. print.