APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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