APA (7th ed.) Citation

Parker, E. W., Campbell, M. R., & Holmes, J. A. (1905). Preliminary report on the operations of the coal-testing plant of the United States Geological survey at the Louisiana Purchase Exposition, St. Louis, Mo., 1904. Department of the Interior, United States Geological Survey.

Chicago Style (17th ed.) Citation

Parker, Edward W., Marius R. Campbell, and Joseph A. Holmes. Preliminary Report on the Operations of the Coal-testing Plant of the United States Geological Survey at the Louisiana Purchase Exposition, St. Louis, Mo., 1904. Washington, D.C.: Department of the Interior, United States Geological Survey, 1905.

MLA (9th ed.) Citation

Parker, Edward W., et al. Preliminary Report on the Operations of the Coal-testing Plant of the United States Geological Survey at the Louisiana Purchase Exposition, St. Louis, Mo., 1904. Department of the Interior, United States Geological Survey, 1905.