APA (7th ed.) Citation

James, R. W., & Helinsky, B. M. (1985). Time of travel and dispersion in the Jones Falls, Baltimore, Maryland. U.S. Dept. of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

James, R. W., and B. M. Helinsky. Time of Travel and Dispersion in the Jones Falls, Baltimore, Maryland. Towson, Md.: U.S. Dept. of the Interior, Geological Survey, 1985.

MLA (9th ed.) Citation

James, R. W., and B. M. Helinsky. Time of Travel and Dispersion in the Jones Falls, Baltimore, Maryland. U.S. Dept. of the Interior, Geological Survey, 1985.