Ellis, W. M. (1994). Ptolemy of Egypt. Routledge.
芝加哥风格引文Ellis, Walter M. Ptolemy of Egypt. London ; New York: Routledge, 1994.
MLA引文Ellis, Walter M. Ptolemy of Egypt. Routledge, 1994.
警告：这些引文格式不一定是100％准确.
APA引文
Ellis, W. M. (1994). Ptolemy of Egypt. Routledge.
芝加哥风格引文Ellis, Walter M. Ptolemy of Egypt. London ; New York: Routledge, 1994.
MLA引文Ellis, Walter M. Ptolemy of Egypt. Routledge, 1994.