APA

Centers for Medicare & Medicaid Services (U.S.), . (2010). Medicare prescription drug coverage: how to join a Medicare drug plan. [Baltimore, Md.]: Department of Health and Human Services USA, Centers for Medicare & Medicaid Services.

Chicago

Centers for Medicare & Medicaid Services (U.S.), . 2010. Medicare prescription drug coverage: how to join a Medicare drug plan. [Baltimore, Md.]: Department of Health and Human Services USA, Centers for Medicare & Medicaid Services.

Harvard

Centers for Medicare & Medicaid Services (U.S.), . (2010). Medicare prescription drug coverage: how to join a Medicare drug plan. [Baltimore, Md.]: Department of Health and Human Services USA, Centers for Medicare & Medicaid Services.

MLA

Centers for Medicare & Medicaid Services (U.S.), . Medicare prescription drug coverage: how to join a Medicare drug plan. [Baltimore, Md.]: Department of Health and Human Services USA, Centers for Medicare & Medicaid Services. 2010.