APA

Gravelle J., Hungerford T. L. & Library of Congress. (2020). The challenge of individual income tax reform: an economic analysis of tax base broadening. [Washington, D.C.]: Congressional Research Service.

Chicago

Gravelle Jane, Hungerford Thomas L and Library of Congress. 2020. The challenge of individual income tax reform: an economic analysis of tax base broadening. [Washington, D.C.]: Congressional Research Service.

Harvard

Gravelle J., Hungerford T. L. and Library of Congress. (2020). The challenge of individual income tax reform: an economic analysis of tax base broadening. [Washington, D.C.]: Congressional Research Service.

MLA

Gravelle Jane, Hungerford Thomas L and Library of Congress. The challenge of individual income tax reform: an economic analysis of tax base broadening. [Washington, D.C.]: Congressional Research Service. 2020.