APA

Carpenter D. H., Garvey T., Liu E. C. & Library of Congress. (2018). Congressional access to the President's federal tax returns. [Washington, D.C.]: Congressional Research Service.

Chicago

Carpenter David H, Garvey Todd, Liu Edward C and Library of Congress. 2018. Congressional access to the President's federal tax returns. [Washington, D.C.]: Congressional Research Service.

Harvard

Carpenter D. H., Garvey T., Liu E. C. and Library of Congress. (2018). Congressional access to the President's federal tax returns. [Washington, D.C.]: Congressional Research Service.

MLA

Carpenter David H, Garvey Todd, Liu Edward C and Library of Congress. Congressional access to the President's federal tax returns. [Washington, D.C.]: Congressional Research Service. 2018.