Sumner, J. B., & Somers, G. F. (1947). Chemistry and methods of enzymes. Academic Press.
芝加哥风格引文Sumner, J B., 与 G. Fred Somers. Chemistry and Methods of Enzymes. New York: Academic Press, 1947.
MLA引文Sumner, J B., 与 G. Fred Somers. Chemistry and Methods of Enzymes. Academic Press, 1947.
警告：这些引文格式不一定是100％准确.