APA aipamena

Sigurðsson, O., & Williams, R. S. (2008). Geographic names of Iceland's glaciers. U. S. Geological Survey professional paper 1746.

Chicago Style aipamena

Sigurðsson, Oddur, and Richard S. Williams. "Geographic Names of Iceland's Glaciers." U. S. Geological Survey Professional Paper 1746 2008.

MLA aipamena

Sigurðsson, Oddur, and Richard S. Williams. "Geographic Names of Iceland's Glaciers." U. S. Geological Survey Professional Paper 1746 2008.