APA (7th ed.) Citation

National Fertilizer Association (1925-1955), United States. Bureau of Plant Industry, Mehring, A. L., Deming, L. E. S., & Willett, H. (1940). A survey of plant-food consumption in the United States in the year ended June 30, 1939. The National fertilizer association.

Chicago Style (17th ed.) Citation

National Fertilizer Association (1925-1955), United States. Bureau of Plant Industry, A. L. Mehring, Lola Elizabeth Shupe Deming, and Herbert Willett. A Survey of Plant-food Consumption in the United States in the Year Ended June 30, 1939. Washington, D.C.: The National fertilizer association, 1940.

MLA (9th ed.) Citation

National Fertilizer Association (1925-1955), et al. A Survey of Plant-food Consumption in the United States in the Year Ended June 30, 1939. The National fertilizer association, 1940.