International Geographical Union, Committee of the Federal Republic of Germany, International Geographical Congress, & Heineberg, H. (1996). The Rhine valley: Urban, harbour and industrial development and environmental problems; a regional guide dedicated to the 28th International Geographical Congress, The Hague 1996. Beiträge zur regionalen Geographie.
Chicago Style (17th ed.) CitationInternational Geographical Union, Committee of the Federal Republic of Germany, International Geographical Congress, and Heinz Heineberg. "The Rhine Valley: Urban, Harbour and Industrial Development and Environmental Problems; a Regional Guide Dedicated to the 28th International Geographical Congress, The Hague 1996." Beiträge Zur Regionalen Geographie 1996.
MLA (9th ed.) CitationInternational Geographical Union, Committee of the Federal Republic of Germany, et al. "The Rhine Valley: Urban, Harbour and Industrial Development and Environmental Problems; a Regional Guide Dedicated to the 28th International Geographical Congress, The Hague 1996." Beiträge Zur Regionalen Geographie, 1996.