APA (7th ed.) Citation

Lefschetz, S., & Cesari, L. (1950). Contributions to the theory of nonlinear oscillations. Princeton University Press.

Chicago Style (17th ed.) Citation

Lefschetz, Solomon, and Lamberto Cesari. Contributions to the Theory of Nonlinear Oscillations. Princeton: Princeton University Press, 1950.

MLA (8th ed.) Citation

Lefschetz, Solomon, and Lamberto Cesari. Contributions to the Theory of Nonlinear Oscillations. Princeton University Press, 1950.

Warning: These citations may not always be 100% accurate.