Cita APA (7a ed.)

Barck, O. T. J. (1961). America in the world: Twentieth-century history in documents. Meridian.

Cita Chicago Style (17a ed.)

Barck, Oscar Theodore Jr. America in the World: Twentieth-century History in Documents. Cleveland: Meridian, 1961.

Cita MLA (9a ed.)

Barck, Oscar Theodore Jr. America in the World: Twentieth-century History in Documents. Meridian, 1961.