APA Edition Citation

(1950). Contributions to the theory of nonlinear oscillations. 5v ed by S Lefschtz.

Chicago Edition Citation

Contributions to the Theory of Nonlinear Oscillations. 5v Ed by S Lefschtz. 1950.

MLA Edition Citation

Contributions to the Theory of Nonlinear Oscillations. 5v Ed by S Lefschtz. 1950.

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