Tennessee Valley Authority, American Society of Agronomy, Khasawneh, F. E., Sample, E. C., & Kamprath, E. J. (1980). The Role of phosphorus in agriculture. American Society of Agronomy.
Chicago Style (17th ed.) CitationTennessee Valley Authority, American Society of Agronomy, F. E. Khasawneh, E. C. Sample, and E. J. Kamprath. The Role of Phosphorus in Agriculture. Madison, Wis.: American Society of Agronomy, 1980.
MLA (9th ed.) CitationTennessee Valley Authority, et al. The Role of Phosphorus in Agriculture. American Society of Agronomy, 1980.
Warning: These citations may not always be 100% accurate.