APA

Kirchhoff S. M., Library of Congress, . (2019). Medicare secondary payer: coordination of benefits. [Washington, D.C.]: Congressional Research Service.

Chicago

Kirchhoff Suzanne M, Library of Congress, . 2019. Medicare secondary payer: coordination of benefits. [Washington, D.C.]: Congressional Research Service.

Harvard

Kirchhoff S. M., Library of Congress, . (2019). Medicare secondary payer: coordination of benefits. [Washington, D.C.]: Congressional Research Service.

MLA

Kirchhoff Suzanne M, Library of Congress, . Medicare secondary payer: coordination of benefits. [Washington, D.C.]: Congressional Research Service. 2019.