Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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