APA

Gravelle J., Sherlock M. F. & Library of Congress. (2018). Recently expired charitable tax provisions ("tax extenders"): in brief. [Washington, D.C.]: Congressional Research Service.

Chicago

Gravelle Jane, Sherlock Molly F and Library of Congress. 2018. Recently expired charitable tax provisions ("tax extenders"): in brief. [Washington, D.C.]: Congressional Research Service.

Harvard

Gravelle J., Sherlock M. F. and Library of Congress. (2018). Recently expired charitable tax provisions ("tax extenders"): in brief. [Washington, D.C.]: Congressional Research Service.

MLA

Gravelle Jane, Sherlock Molly F and Library of Congress. Recently expired charitable tax provisions ("tax extenders"): in brief. [Washington, D.C.]: Congressional Research Service. 2018.