Cita APA

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

Citación estilo Chicago

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

Cita MLA

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