Izadi, S., Silva, D., Sculfor, D., Benjamin, L., & Downes, S. (2012). 'Persistant bilateral relative central scotomas induced by taking an excessive dose of sildenafil'.
芝加哥风格引文Izadi, S., D. Silva, D. Sculfor, L. Benjamin, 与 S. Downes. 'Persistant Bilateral Relative Central Scotomas Induced by Taking an Excessive Dose of Sildenafil'. 2012.
MLA引文Izadi, S., et al. 'Persistant Bilateral Relative Central Scotomas Induced by Taking an Excessive Dose of Sildenafil'. 2012.
警告：这些引文格式不一定是100％准确.