Cita APA (7a ed.)

United States. Forest Service. (1950). How forest conditions affected the 1948 Columbia flood. U.S. Gov. Print. Off..

Cita Chicago Style (17a ed.)

United States. Forest Service. How Forest Conditions Affected the 1948 Columbia Flood. Washington: U.S. Gov. Print. Off., 1950.

Cita MLA (8a ed.)

United States. Forest Service. How Forest Conditions Affected the 1948 Columbia Flood. U.S. Gov. Print. Off., 1950.

Precaución: Estas citas no son 100% exactas.