APA

Heitshusen V., Petersen R. E. & Library of Congress. (2018). Field hearings: fact sheet on purposes, rules, regulations, and guidelines. [Washington, D.C.]: Congressional Research Service.

Chicago

Heitshusen Valerie, Petersen R Eric and Library of Congress. 2018. Field hearings: fact sheet on purposes, rules, regulations, and guidelines. [Washington, D.C.]: Congressional Research Service.

Harvard

Heitshusen V., Petersen R. E. and Library of Congress. (2018). Field hearings: fact sheet on purposes, rules, regulations, and guidelines. [Washington, D.C.]: Congressional Research Service.

MLA

Heitshusen Valerie, Petersen R Eric and Library of Congress. Field hearings: fact sheet on purposes, rules, regulations, and guidelines. [Washington, D.C.]: Congressional Research Service. 2018.