APA-referens (7:e uppl.)

Edmonds, M., Oppenheimer, C., Pyle, D., Herd, R., & Thompson, G. (2003). SO2 emissions from Soufriere Hills Volcano and their relationship to conduit permeability, hydrothermal interaction and degassing regime.

Chicago-referens (17:e uppl.)

Edmonds, M., C. Oppenheimer, D. Pyle, R. Herd, och G. Thompson. SO2 Emissions from Soufriere Hills Volcano and Their Relationship to Conduit Permeability, Hydrothermal Interaction and Degassing Regime. 2003.

MLA-referens (9:e uppl.)

Edmonds, M., et al. SO2 Emissions from Soufriere Hills Volcano and Their Relationship to Conduit Permeability, Hydrothermal Interaction and Degassing Regime. 2003.