एपीए उद्धरण

Strongberg, R. N. (1992). Europe in the Twentieth Century (Ed.3.).

शिकागो स्टाइल उद्धरण

Strongberg, Ronald N. Europe in the Twentieth Century. Ed.3. New Jersey, Prentice Hall, 1992.

एमएलए उद्धरण

Strongberg, Ronald N. Europe in the Twentieth Century. Ed.3. 1992.