एपीए उद्धरण

Williams, R. S. Satellite image atlas of glaciers of the world. US Geological Survey professional paper 1386.

शिकागो स्टाइल उद्धरण

Williams, Richard S. "Satellite Image Atlas of Glaciers of the World." US Geological Survey Professional Paper 1386 .

एमएलए उद्धरण

Williams, Richard S. "Satellite Image Atlas of Glaciers of the World." US Geological Survey Professional Paper 1386 .