APA (7th ed.) Citation

Keyfitz, B. L., & Shearer, M. (1990). Nonlinear Evolution Equations That Change Type. Springer New York.

Chicago Style (17th ed.) Citation

Keyfitz, Barbara Lee, and Michael Shearer. Nonlinear Evolution Equations That Change Type. New York, NY: Springer New York, 1990.

MLA (9th ed.) Citation

Keyfitz, Barbara Lee, and Michael Shearer. Nonlinear Evolution Equations That Change Type. Springer New York, 1990.