Fraps, G. S., Ogier, T. L., & Asbury, S. E. (1938). Commercial fertilizers in 1937-38. Texas Agricultural Experiment Station.
Chicago Style (17th ed.) CitationFraps, G. S., T. L. Ogier, and S. E. Asbury. Commercial Fertilizers in 1937-38. College Station, Tex.: Texas Agricultural Experiment Station, 1938.
MLA (9th ed.) CitationFraps, G. S., et al. Commercial Fertilizers in 1937-38. Texas Agricultural Experiment Station, 1938.
Warning: These citations may not always be 100% accurate.