Geological Survey (U.S.), Singer, M. J., & Janitzky, P. (1986). Field and laboratory procedures used in a soil chronosequence study. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), Michael J. Singer, and Peter Janitzky. Field and Laboratory Procedures Used in a Soil Chronosequence Study. [Reston, Va.]: Dept. of the Interior, U.S. Geological Survey, 1986.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Field and Laboratory Procedures Used in a Soil Chronosequence Study. Dept. of the Interior, U.S. Geological Survey, 1986.
Warning: These citations may not always be 100% accurate.