Ritter, M. (1999). Scientists may have way to prevent schizophrenia. Manila Bulletin.
芝加哥风格引文Ritter, Malcolm. "Scientists May Have Way to Prevent Schizophrenia." Manila Bulletin 1999.
MLA引文Ritter, Malcolm. "Scientists May Have Way to Prevent Schizophrenia." Manila Bulletin, 1999.
警告：这些引文格式不一定是100％准确.