APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

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