APA (7th ed.) Citation

SpringerLink (Online service) & Reyn, J. (2007). Phase portraits of planar quadratic systems. Springer Science+Business Media, LLC.

Chicago Style (17th ed.) Citation

SpringerLink (Online service) and John Reyn. Phase Portraits of Planar Quadratic Systems. Norwell: Springer Science+Business Media, LLC, 2007.

MLA (8th ed.) Citation

SpringerLink (Online service) and John Reyn. Phase Portraits of Planar Quadratic Systems. Springer Science+Business Media, LLC, 2007.