एपीए उद्धरण

Jacobs, J. A. (1963). Earth's core and geomagnetism. Pergamon press.

शिकागो स्टाइल उद्धरण

Jacobs, J. A. Earth's Core and Geomagnetism. London: Pergamon press, 1963.

एमएलए उद्धरण

Jacobs, J. A. Earth's Core and Geomagnetism. Pergamon press, 1963.