APA

Epstein S. B., Mages L. & Library of Congress. (2019). Public diplomacy: a review of past recommendations. [Washington, D.C.]: Congressional Research Service.

Chicago

Epstein Susan B, Mages Lisa and Library of Congress. 2019. Public diplomacy: a review of past recommendations. [Washington, D.C.]: Congressional Research Service.

Harvard

Epstein S. B., Mages L. and Library of Congress. (2019). Public diplomacy: a review of past recommendations. [Washington, D.C.]: Congressional Research Service.

MLA

Epstein Susan B, Mages Lisa and Library of Congress. Public diplomacy: a review of past recommendations. [Washington, D.C.]: Congressional Research Service. 2019.