APA (7th ed.) Citation

National Fertilizer Association (1925-1955) & Willett, H. (1941). Fertilizer prices and price indexes: A summary of available information on fertilizer price levels, trends, and relationships ((3d ed.).). The National fertilizer association.

Chicago Style (17th ed.) Citation

National Fertilizer Association (1925-1955) and Herbert Willett. Fertilizer Prices and Price Indexes: A Summary of Available Information on Fertilizer Price Levels, Trends, and Relationships. (3d ed.). Washington, D.C.: The National fertilizer association, 1941.

MLA (9th ed.) Citation

National Fertilizer Association (1925-1955) and Herbert Willett. Fertilizer Prices and Price Indexes: A Summary of Available Information on Fertilizer Price Levels, Trends, and Relationships. (3d ed.). The National fertilizer association, 1941.