Cita APA (7a ed.)

Amster, P., De Nápoli, P., & Mariani, M. Periodic solutions of a resonant third-order equation.

Cita Chicago Style (17a ed.)

Amster, P., P. De Nápoli, y M.C Mariani. Periodic Solutions of a Resonant Third-order Equation.

Cita MLA (8a ed.)

Amster, P., et al. Periodic Solutions of a Resonant Third-order Equation.