Hämäläinen, M. (1991). Principal variations in the chemical composition of peat.
Chicago Style (17th ed.) CitationHämäläinen, Markku. Principal Variations in the Chemical Composition of Peat. 1991.
MLA (9th ed.) CitationHämäläinen, Markku. Principal Variations in the Chemical Composition of Peat. 1991.
Warning: These citations may not always be 100% accurate.