International Biological Programme, Povoledo, D., & Golterman, H. L. (1975). Humic substances, their structure and function in the biosphere: Proceedings of an international meeting held at Nieuwersluis, the Netherlands, May 29-31, 1972. Centre for Agricultural Pub. and Documentation.
Chicago Style (17th ed.) CitationInternational Biological Programme, D. Povoledo, and H. L. Golterman. Humic Substances, Their Structure and Function in the Biosphere: Proceedings of an International Meeting Held at Nieuwersluis, the Netherlands, May 29-31, 1972. Wageningen: Centre for Agricultural Pub. and Documentation, 1975.
MLA (9th ed.) CitationInternational Biological Programme, et al. Humic Substances, Their Structure and Function in the Biosphere: Proceedings of an International Meeting Held at Nieuwersluis, the Netherlands, May 29-31, 1972. Centre for Agricultural Pub. and Documentation, 1975.