Geological Survey (U.S.), Bishop, E. E., & Eric, J. H. (1978). Suggestions to authors of the reports of the United States Geological Survey (6th ed.). Dept. of the Interior, Geological Survey : for sale by the Supt. of Docs., U.S. Govt. Print. Off..
Citação do estilo Chicago (17ª ed.)Geological Survey (U.S.), Elna E. Bishop, e John H. Eric. Suggestions to Authors of the Reports of the United States Geological Survey. 6th ed. Washington: Dept. of the Interior, Geological Survey : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1978.
Citação MLA (8ª ed.)Geological Survey (U.S.), et al. Suggestions to Authors of the Reports of the United States Geological Survey. 6th ed. Dept. of the Interior, Geological Survey : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1978.