APA (7th ed.) Citation

WOLF. (1999). The fertile triangle: The interrelationship of air, water, and nutrients in maximizing soil productivity. Food Products Press.

Chicago Style (17th ed.) Citation

WOLF. The Fertile Triangle: The Interrelationship of Air, Water, and Nutrients in Maximizing Soil Productivity. New York: Food Products Press, 1999.

MLA (9th ed.) Citation

WOLF. The Fertile Triangle: The Interrelationship of Air, Water, and Nutrients in Maximizing Soil Productivity. Food Products Press, 1999.