Geological Survey (U.S.) & Rickert, D. A. (1976). A synoptic survey of trace metals in bottom sediments of the Willamette River, Oregon.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and David A. Rickert. A Synoptic Survey of Trace Metals in Bottom Sediments of the Willamette River, Oregon. 1976.
MLA (9th ed.) CitationGeological Survey (U.S.) and David A. Rickert. A Synoptic Survey of Trace Metals in Bottom Sediments of the Willamette River, Oregon. 1976.
Warning: These citations may not always be 100% accurate.