एपीए उद्धरण

Zeilik, M. (1979). Astronomy: The evoloving Universe. Harper & Row.

शिकागो स्टाइल उद्धरण

Zeilik, Michael. Astronomy: The Evoloving Universe. New York: Harper & Row, 1979.

एमएलए उद्धरण

Zeilik, Michael. Astronomy: The Evoloving Universe. Harper & Row, 1979.