APA (7th ed.) Citation

Hayes, D. C. (1996). Scour at bridge sites in Delaware, Maryland, and Virginia. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Hayes, Donald C. Scour at Bridge Sites in Delaware, Maryland, and Virginia. Richmond, Virginia: U.S. Geological Survey, 1996.

MLA (9th ed.) Citation

Hayes, Donald C. Scour at Bridge Sites in Delaware, Maryland, and Virginia. U.S. Geological Survey, 1996.