एपीए उद्धरण

Ribeiro, D. (1968). The Civilizational Process. Harper & Row.

शिकागो स्टाइल उद्धरण

Ribeiro, Darcy. The Civilizational Process. New York: Harper & Row, 1968.

एमएलए उद्धरण

Ribeiro, Darcy. The Civilizational Process. Harper & Row, 1968.