एपीए उद्धरण

George, E. M., Palei, A. C., Dent, E. A., & Granger, J. P. (2013). Sildenafil attenuates placental ischemia-induced hypertension. American Physiological Society.

शिकागो स्टाइल उद्धरण

George, Eric M., Ana C. Palei, Edward A. Dent, और Joey P. Granger. Sildenafil Attenuates Placental Ischemia-induced Hypertension. American Physiological Society, 2013.

एमएलए उद्धरण

George, Eric M., Ana C. Palei, Edward A. Dent, और Joey P. Granger. Sildenafil Attenuates Placental Ischemia-induced Hypertension. American Physiological Society, 2013.