UMBGROVE, J. (1950). Symphony of the earth - J.H.F. Umbgrove. Martinus Nijhoff.
Chicago Style (17th ed.) CitationUMBGROVE, J.H.F. Symphony of the Earth - J.H.F. Umbgrove. Martinus Nijhoff, 1950.
MLA (8th ed.) CitationUMBGROVE, J.H.F. Symphony of the Earth - J.H.F. Umbgrove. Martinus Nijhoff, 1950.
Warning: These citations may not always be 100% accurate.