एपीए उद्धरण

Asimov, I. (1977). The beginning and the end. New York: Doubleday & Company,Inc.

शिकागो स्टाइल उद्धरण

Asimov, Isaac. The Beginning and the End. New York: Doubleday & Company,Inc, 1977.

एमएलए उद्धरण

Asimov, Isaac. The Beginning and the End. New York: Doubleday & Company,Inc, 1977.