APA (7th ed.) Citation

Geological Survey (U.S.) & Paulsen, C. G. (1949). Floods of May-June 1948 in Columbia River basin. U.S. G.P.O..

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and C. G. Paulsen. Floods of May-June 1948 in Columbia River Basin. Washington, D.C.: U.S. G.P.O., 1949.

MLA (9th ed.) Citation

Geological Survey (U.S.) and C. G. Paulsen. Floods of May-June 1948 in Columbia River Basin. U.S. G.P.O., 1949.