Barr, G., Shale, D., & Jewell, D. (1986). Ulcerative colitis and sarcoidosis. BMJ Publishing Group.
芝加哥风格引文Barr, G., D. Shale, 与 D. Jewell. Ulcerative Colitis and Sarcoidosis. BMJ Publishing Group, 1986.
MLA引文Barr, G., et al. Ulcerative Colitis and Sarcoidosis. BMJ Publishing Group, 1986.
警告：这些引文格式不一定是100％准确.