Geological Survey (U.S.). (1979). 1: 100 000-scale metric topographic map of Gothenburg, Nebraska. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.). 1: 100 000-scale Metric Topographic Map of Gothenburg, Nebraska. Reston, Va.: The Survey, 1979.
MLA (9th ed.) CitationGeological Survey (U.S.). 1: 100 000-scale Metric Topographic Map of Gothenburg, Nebraska. The Survey, 1979.
Warning: These citations may not always be 100% accurate.