Perkins, K., & Proudfoot, N. (2008). An ungracious host for an unwelcome guest.
芝加哥风格引文Perkins, K., 与 N. Proudfoot. An Ungracious Host for an Unwelcome Guest. 2008.
MLA引文Perkins, K., 与 N. Proudfoot. An Ungracious Host for an Unwelcome Guest. 2008.
警告：这些引文格式不一定是100％准确.