APA citiranje

(1916). Progressive agriculture, 1916; tillage, not weather, controls yield, by Hardy W. Campbell.

Chicago Style (17th ed.) Citation

Progressive Agriculture, 1916; Tillage, Not Weather, Controls Yield, by Hardy W. Campbell. 1916.

MLA citiranje

Progressive Agriculture, 1916; Tillage, Not Weather, Controls Yield, by Hardy W. Campbell. 1916.

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