APA引文

Powell, P. W., Wolfskill, G., & Palmer, S. H. (1981). Essays on frontiers in world history. University of Texas Press.

芝加哥风格引文

Powell, Philip Wayne, George Wolfskill, 与 Stanley H. Palmer. Essays on Frontiers in World History. Austin: University of Texas Press, 1981.

MLA引文

Powell, Philip Wayne, et al. Essays on Frontiers in World History. University of Texas Press, 1981.

警告:这些引文格式不一定是100%准确.