APA (7th ed.) Citation

Welch, S. W. (1958). Geology and coal resources of the Tiptop quadrangle, Kentucky. [United States Department of the Interior, Geological Survey].

Chicago Style (17th ed.) Citation

Welch, Stewart W. Geology and Coal Resources of the Tiptop Quadrangle, Kentucky. [Washington, D.C].: [United States Department of the Interior, Geological Survey], 1958.

MLA (9th ed.) Citation

Welch, Stewart W. Geology and Coal Resources of the Tiptop Quadrangle, Kentucky. [United States Department of the Interior, Geological Survey], 1958.