APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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