APA (7th ed.) Citation

Loud, W. S. (1964). Periodic solutions of perturbed second-order autonomous equations. American Mathematical Society.

Chicago Style (17th ed.) Citation

Loud, Warren S. Periodic Solutions of Perturbed Second-order Autonomous Equations. Providence, R.I: American Mathematical Society, 1964.

MLA (9th ed.) Citation

Loud, Warren S. Periodic Solutions of Perturbed Second-order Autonomous Equations. American Mathematical Society, 1964.