APA

Garrett R. S., Ruane K. A. & Library of Congress. (2019). Automated political telephone calls ("robo calls") in federal campaigns: overview and policy options. [Washington, D.C.]: Congressional Research Service.

Chicago

Garrett R Sam, Ruane Kathleen Ann and Library of Congress. 2019. Automated political telephone calls ("robo calls") in federal campaigns: overview and policy options. [Washington, D.C.]: Congressional Research Service.

Harvard

Garrett R. S., Ruane K. A. and Library of Congress. (2019). Automated political telephone calls ("robo calls") in federal campaigns: overview and policy options. [Washington, D.C.]: Congressional Research Service.

MLA

Garrett R Sam, Ruane Kathleen Ann and Library of Congress. Automated political telephone calls ("robo calls") in federal campaigns: overview and policy options. [Washington, D.C.]: Congressional Research Service. 2019.