APA (7th ed.) Citation

Southard, R. E. (1993). Scour around bridge piers on streams in Arkansas. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Southard, Rodney E. Scour Around Bridge Piers on Streams in Arkansas. Little Rock, Ark.: U.S. Dept. of the Interior, U.S. Geological Survey, 1993.

MLA (9th ed.) Citation

Southard, Rodney E. Scour Around Bridge Piers on Streams in Arkansas. U.S. Dept. of the Interior, U.S. Geological Survey, 1993.