APA
Williamson R. E., . (2001). Introduction to differential equations and dynamical systems. New York: McGraw-Hill.
Chicago
Williamson Richard E, . 2001. Introduction to differential equations and dynamical systems. New York: McGraw-Hill.
Harvard
Williamson R. E., . (2001). Introduction to differential equations and dynamical systems. New York: McGraw-Hill.
MLA
Williamson Richard E, . Introduction to differential equations and dynamical systems. New York: McGraw-Hill. 2001.