In the body of the text, information sources should be referenced in the following manner:

'Sadler & Grattan (1999) address questions arising about the cause, scale and patterns of post-eruption cooling…..'

and

'It has been suggested that large volcanic eruptions might be capable of triggering El Ninos (Handler 1986, Hirono, 1988).

In the bibliography, information sources should be referenced in the following format:

Robock, A. 2000 Volcanic eruptions and climate. Reviews in Geophysics 38, 191-219.

Lamb, H. H. 1988 Weather, climate and human affairs. Routledge, London. 218pp.

Jones, P. D. and Kelly, P. M. 1996 The effect of tropical explosive eruptions on surface air temperatures. In: Fiocci, G., Fu'a, D. and Visconti, G. (eds). The Pinatubo eruption: effects on the atmosphere and climate. NATO ASI Series 42, 95-112. Springer-Verlag, Berlin and Heidelberg.