MLA

Farouki, Rida T, et al. Pythagorean-hodograph Curves: Algebra and Geometry Inseparable. Springer Berlin Heidelberg, 2008.

APA

Farouki, R. T, Edelsbrunner, H., Kobbelt, L., & Polthier, K. (2008). Pythagorean-Hodograph Curves: Algebra and Geometry Inseparable. Springer Berlin Heidelberg.

Chicago

Farouki, Rida T., Herbert Edelsbrunner, Leif Kobbelt, and Konrad Polthier. Pythagorean-Hodograph Curves: Algebra and Geometry Inseparable. : Springer Berlin Heidelberg, 2008.