APA Citation

Unger, P. (1984). Tillage systems for soil and water conservation. Roma:: FAO,.

Chicago Style Citation

Unger, P.W. Tillage Systems for Soil and Water Conservation. Roma:: FAO,, 1984.

MLA Citation

Unger, P.W. Tillage Systems for Soil and Water Conservation. Roma:: FAO,, 1984.

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