APA引文

K., S., S., C., & N., C. (2014). Effect of sildenafil citrate on the cardiovascular system.

Chicago Style Citation

K., Shinlapawittayatorn, Chattipakorn S., and Chattipakorn N. Effect of Sildenafil Citrate On the Cardiovascular System. 2014.

MLA引文

K., Shinlapawittayatorn, Chattipakorn S., and Chattipakorn N. Effect of Sildenafil Citrate On the Cardiovascular System. 2014.

警告：這些引文格式不一定是100％准確.