Cita APA

(2010). U.S.A. history in brief. U.S.A: U.S. Department of State.

Citación estilo Chicago

U.S.A. History in Brief. U.S.A: U.S. Department of State, 2010.

Cita MLA

U.S.A. History in Brief. U.S.A: U.S. Department of State, 2010.