Kroeker, E. J. (1975). Cold weather energy recovery from anaerobic digestion of swine manure. [publisher not identified].
Chicago Style (17th ed.) CitationKroeker, E. J. Cold Weather Energy Recovery from Anaerobic Digestion of Swine Manure. [Manitoba?]: [publisher not identified], 1975.
MLA (9th ed.) CitationKroeker, E. J. Cold Weather Energy Recovery from Anaerobic Digestion of Swine Manure. [publisher not identified], 1975.
Warning: These citations may not always be 100% accurate.