Askwith, E. H. (1908). The analytical geometry of the conic sections. A. and C. Black.
芝加哥风格引文Askwith, E. H. The Analytical Geometry of the Conic Sections. London: A. and C. Black, 1908.
MLA引文Askwith, E. H. The Analytical Geometry of the Conic Sections. A. and C. Black, 1908.
警告：这些引文格式不一定是100％准确.