Leonard, I. E., & Leonard, I. E. (2014). Classical geometry: Euclidean, transformational, inversive, and projective. Wiley.
芝加哥风格引文Leonard, I. E., 与 I. E. Leonard. Classical Geometry: Euclidean, Transformational, Inversive, and Projective. Hoboken, New Jersey: Wiley, 2014.
MLA引文Leonard, I. E., 与 I. E. Leonard. Classical Geometry: Euclidean, Transformational, Inversive, and Projective. Wiley, 2014.
警告：这些引文格式不一定是100％准确.