Cita APA (7a ed.)

Eiroa, E. F., & Sendra, C. M. (2011). Gravitational lensing by a regular black hole.

Cita Chicago Style (17a ed.)

Eiroa, Ernesto Fabian, y Carlos Maximiliano Sendra. Gravitational Lensing by a Regular Black Hole. 2011.

Cita MLA (8a ed.)

Eiroa, Ernesto Fabian, y Carlos Maximiliano Sendra. Gravitational Lensing by a Regular Black Hole. 2011.