Cita APA (7a ed.)

Khan, J., & Chong, V. (2007). Two retinal vein occlusions in a patient with venous tortuosity at the optic disc.

Cita Chicago Style (17a ed.)

Khan, J., y V. Chong. Two Retinal Vein Occlusions in a Patient with Venous Tortuosity at the Optic Disc. 2007.

Cita MLA (9a ed.)

Khan, J., y V. Chong. Two Retinal Vein Occlusions in a Patient with Venous Tortuosity at the Optic Disc. 2007.