Shackelford, R. (1955). Surgery of the alimentary tract.
芝加哥风格引文Shackelford, Richard. Surgery of the Alimentary Tract. 1955.
MLA引文Shackelford, Richard. Surgery of the Alimentary Tract. 1955.
警告：这些引文格式不一定是100％准确.
APA引文
Shackelford, R. (1955). Surgery of the alimentary tract.
芝加哥风格引文Shackelford, Richard. Surgery of the Alimentary Tract. 1955.
MLA引文Shackelford, Richard. Surgery of the Alimentary Tract. 1955.