Nilsson, N. J. (1988). Critical loads for sulphur and nitrogen. Nordic Council of Ministers.
Chicago Style (17th ed.) CitationNilsson, Nils J. Critical Loads for Sulphur and Nitrogen. Kobenhavn: Nordic Council of Ministers, 1988.
MLA (9th ed.) CitationNilsson, Nils J. Critical Loads for Sulphur and Nitrogen. Nordic Council of Ministers, 1988.
Warning: These citations may not always be 100% accurate.