Cita APA (7th ed.)
Oskamp, J. (1932). A detailed soil survey of the Hilton area, Monroe County.
Cita Chicago (17th ed.)
Oskamp, Joseph. A Detailed Soil Survey of the Hilton Area, Monroe County. 1932.
Cita MLA (9th ed.)
Oskamp, Joseph. A Detailed Soil Survey of the Hilton Area, Monroe County. 1932.
Atenció: Aquestes cites poden no estar 100% correctes.