APA (7th ed.) Citation

Ward, F. N., & Crowe, H. E. (1956). Colorimetric determinations of traces of bismuth in rocks. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Ward, Frederick Norville, and H. E. Crowe. Colorimetric Determinations of Traces of Bismuth in Rocks. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1956.

MLA (9th ed.) Citation

Ward, Frederick Norville, and H. E. Crowe. Colorimetric Determinations of Traces of Bismuth in Rocks. United States Department of the Interior, Geological Survey, 1956.