United Nations. Economic Commission for Europe & SpringerLink (Online service). (1983). Improved Techniques for the Extraction of Primary Forms of Energy: A Seminar of the United Nations Economic Commission for Europe (Vienna 10-14 November 1980). Springer Netherlands.
Chicago Style (17th ed.) CitationUnited Nations. Economic Commission for Europe and SpringerLink (Online service). Improved Techniques for the Extraction of Primary Forms of Energy: A Seminar of the United Nations Economic Commission for Europe (Vienna 10-14 November 1980). Dordrecht: Springer Netherlands, 1983.
MLA (9th ed.) CitationUnited Nations. Economic Commission for Europe and SpringerLink (Online service). Improved Techniques for the Extraction of Primary Forms of Energy: A Seminar of the United Nations Economic Commission for Europe (Vienna 10-14 November 1980). Springer Netherlands, 1983.