Kelly, I., Frith, P., Hyman, N., & Jewell, D. (1990). Retinal periphlebitis in ulcerative colitis. BMJ Publishing Group.
芝加哥风格引文Kelly, I., P. Frith, N. Hyman, 与 D. Jewell. Retinal Periphlebitis in Ulcerative Colitis. BMJ Publishing Group, 1990.
MLA引文Kelly, I., et al. Retinal Periphlebitis in Ulcerative Colitis. BMJ Publishing Group, 1990.
警告：这些引文格式不一定是100％准确.