Kilmer, J. V., Younts, S. E., & Brady, N. C. (1968). The role of potassium in agriculture (Primera edición.). American society of agronomy.
芝加哥风格引文Kilmer, J. V., S. E. Younts, 与 Nyle C. Brady. The Role of Potassium in Agriculture. Primera edición. Madison: American society of agronomy, 1968.
MLA引文Kilmer, J. V., et al. The Role of Potassium in Agriculture. Primera edición. American society of agronomy, 1968.
警告：这些引文格式不一定是100％准确.