Olsén, M., Elden, H., Janson, E., Lilja, H., & Stener-Victorin, E. (2007). A comparison of high- versus low-intensity, high-frequency transcutaneous electric nerve stimulation for painful postpartum uterine contractions.
芝加哥风格引文Olsén, M., H. Elden, E. Janson, H. Lilja, 与 E. Stener-Victorin. A Comparison of High- Versus Low-intensity, High-frequency Transcutaneous Electric Nerve Stimulation for Painful Postpartum Uterine Contractions. 2007.
MLA引文Olsén, M., et al. A Comparison of High- Versus Low-intensity, High-frequency Transcutaneous Electric Nerve Stimulation for Painful Postpartum Uterine Contractions. 2007.
警告：这些引文格式不一定是100％准确.