APA引文

United States. Agricultural Research Service. (1963). Soil and water conservation research in the Pacific northwest. Gov't..

Chicago Style (17th ed.) Citation

United States. Agricultural Research Service. Soil and Water Conservation Research in the Pacific Northwest. Wash., D.C.: Gov't., 1963.

MLA引文

United States. Agricultural Research Service. Soil and Water Conservation Research in the Pacific Northwest. Gov't., 1963.

警告：這些引文格式不一定是100％准確.