एपीए उद्धरण

Mitton, J. (1993). The Penguin dictionary of astronomy. Penguin Books.

शिकागो स्टाइल उद्धरण

Mitton, Jacqueline. The Penguin Dictionary of Astronomy. London: Penguin Books, 1993.

एमएलए उद्धरण

Mitton, Jacqueline. The Penguin Dictionary of Astronomy. Penguin Books, 1993.