Spieker, A. M. (1968). Ground-water hydrology and geology of the lower Great Miami River Valley, Ohio. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationSpieker, Andrew Maute. Ground-water Hydrology and Geology of the Lower Great Miami River Valley, Ohio. Washington: United States Department of the Interior, Geological Survey, 1968.
MLA (9th ed.) CitationSpieker, Andrew Maute. Ground-water Hydrology and Geology of the Lower Great Miami River Valley, Ohio. United States Department of the Interior, Geological Survey, 1968.
Warning: These citations may not always be 100% accurate.