Cita APA (7a ed.)

Amster, P., & Maurette, M. Periodic solutions of systems with singularities of repulsive type.

Cita Chicago Style (17a ed.)

Amster, P., y M. Maurette. Periodic Solutions of Systems with Singularities of Repulsive Type.

Cita MLA (8a ed.)

Amster, P., y M. Maurette. Periodic Solutions of Systems with Singularities of Repulsive Type.