Beard, R. (1976). Expendable Doppler penetrometer: Interim report. Civil Engineering Laboratory, Naval Construction Battalion Center.
Chicago Style (17th ed.) CitationBeard, R.M. Expendable Doppler Penetrometer: Interim Report. Port Hueneme, Calif.: Civil Engineering Laboratory, Naval Construction Battalion Center, 1976.
MLA (9th ed.) CitationBeard, R.M. Expendable Doppler Penetrometer: Interim Report. Civil Engineering Laboratory, Naval Construction Battalion Center, 1976.
Warning: These citations may not always be 100% accurate.