APA (7th ed.) Citation

Harmon, J. G. (1999). Floods in northern California, January 1997. [U.S. Dept. of the Interior, U.S. Geological Survey].

Chicago Style (17th ed.) Citation

Harmon, Jerry G. Floods in Northern California, January 1997. [Reston, Va.]: [U.S. Dept. of the Interior, U.S. Geological Survey], 1999.

MLA (9th ed.) Citation

Harmon, Jerry G. Floods in Northern California, January 1997. [U.S. Dept. of the Interior, U.S. Geological Survey], 1999.