एपीए उद्धरण

(1999). A twentieth century American reader. Washington, D.C: United States Department of State.

शिकागो स्टाइल उद्धरण

A Twentieth Century American Reader. Washington, D.C: United States Department of State, 1999.

एमएलए उद्धरण

A Twentieth Century American Reader. Washington, D.C: United States Department of State, 1999.