APA (7e ed.) Bronvermelding

Thorarinsson, S. (1970). The "Hekla Fires": A preliminary report of the 1970 Mt. Hekla volcanic eruption. Atvinnudeild at Hringbraut, Division of Geosciences.

Chicago (17e ed.) Bronvermelding

Thorarinsson, Sigurdur. The "Hekla Fires": A Preliminary Report of the 1970 Mt. Hekla Volcanic Eruption. Reykjavik, Iceland: Atvinnudeild at Hringbraut, Division of Geosciences, 1970.

MLA (8e ed.) Bronvermelding

Thorarinsson, Sigurdur. The "Hekla Fires": A Preliminary Report of the 1970 Mt. Hekla Volcanic Eruption. Atvinnudeild at Hringbraut, Division of Geosciences, 1970.