Gaya APA

Druitt, T. (2002). Geological Society Memoir No. 21 : The Eruption of Soufriere Hills Volcano, Montserrat, from 1995 and B.P. Kokelaar . London: The Geological Society.

Gaya MLA

Druitt, T.H.. "Geological Society Memoir No. 21 : The Eruption of Soufriere Hills Volcano, Montserrat, from 1995 and B.P. Kokelaar". London: The Geological Society, 2002. Text.