APA (7th ed.) Citation

(1987). Average annual runoff in the United States, 1951 - 80. U.S. Geolog. Survey.

Chicago Style (17th ed.) Citation

Average Annual Runoff in the United States, 1951 - 80. Reston, Va: U.S. Geolog. Survey, 1987.

MLA (9th ed.) Citation

Average Annual Runoff in the United States, 1951 - 80. U.S. Geolog. Survey, 1987.

Warning: These citations may not always be 100% accurate.