APA (7th ed.) Citation

Walker, F. K. (1976). Bibliography and index of U.S. Geological Survey publications relating to coal, 1971-1975. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Walker, Flora K. Bibliography and Index of U.S. Geological Survey Publications Relating to Coal, 1971-1975. [Reston, Virginia]: United States Department of the Interior, Geological Survey, 1976.

MLA (9th ed.) Citation

Walker, Flora K. Bibliography and Index of U.S. Geological Survey Publications Relating to Coal, 1971-1975. United States Department of the Interior, Geological Survey, 1976.

Warning: These citations may not always be 100% accurate.