APA-referens

Anderson, R. M. (2001). Water quality in the Allegheny and Monogahela River Basins, Pennsylvania, West Virginia, New York, and Maryland, 1996 - 98. US Geological Survey circular 1202.

Chicago-stil citat

Anderson, Robert M. "Water Quality in the Allegheny and Monogahela River Basins, Pennsylvania, West Virginia, New York, and Maryland, 1996 - 98." US Geological Survey Circular 1202 2001.

MLA-referens

Anderson, Robert M. "Water Quality in the Allegheny and Monogahela River Basins, Pennsylvania, West Virginia, New York, and Maryland, 1996 - 98." US Geological Survey Circular 1202 2001.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.