APA (7th ed.) Citation

Mickens, R. E. (1981). An introduction to nonlinear oscillations / by R.E. Mickens. CUP.

Chicago Style (17th ed.) Citation

Mickens, R. E. An Introduction to Nonlinear Oscillations / by R.E. Mickens. CUP, 1981.

MLA (9th ed.) Citation

Mickens, R. E. An Introduction to Nonlinear Oscillations / by R.E. Mickens. CUP, 1981.

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