Παραπομπή σε μορφή APA (7η εκδ.)

Izadi, S., Silva, D., Sculfor, D., Benjamin, L., & Downes, S. (2012). 'Persistant bilateral relative central scotomas induced by taking an excessive dose of sildenafil'.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Izadi, S., D. Silva, D. Sculfor, L. Benjamin, και S. Downes. 'Persistant Bilateral Relative Central Scotomas Induced by Taking an Excessive Dose of Sildenafil'. 2012.

Παραπομπή σε μορφή MLA (9th εκδ.)

Izadi, S., et al. 'Persistant Bilateral Relative Central Scotomas Induced by Taking an Excessive Dose of Sildenafil'. 2012.