APA引文
Barker, A. (2000). Scientific method in Ptolemy's Harmonics. Cambridge University Press.
芝加哥风格引文
Barker, Andrew. Scientific Method in Ptolemy's Harmonics. Cambridge ; New York: Cambridge University Press, 2000.
MLA引文
Barker, Andrew. Scientific Method in Ptolemy's Harmonics. Cambridge University Press, 2000.
警告:这些引文格式不一定是100%准确.