Jewell, D. (1988). How I do it. Medical management of severe ulcerative colitis.
芝加哥风格引文Jewell, D. How I Do It. Medical Management of Severe Ulcerative Colitis. 1988.
MLA引文Jewell, D. How I Do It. Medical Management of Severe Ulcerative Colitis. 1988.
警告：这些引文格式不一定是100％准确.