Cahill, K., & O`Brien, W. (1990). Tropical Medicine A Clinical Text.
芝加哥风格引文Cahill, Kevin, 与 William O`Brien. Tropical Medicine A Clinical Text. 1990.
MLA引文Cahill, Kevin, 与 William O`Brien. Tropical Medicine A Clinical Text. 1990.
警告：这些引文格式不一定是100％准确.