Sewall, R. B. (1963). Tragedy: Modern essays in criticism. Prentice-Hall.
芝加哥风格引文Sewall, Richard Benson. Tragedy: Modern Essays in Criticism. Englewood Cliffs, N.J: Prentice-Hall, 1963.
MLA引文Sewall, Richard Benson. Tragedy: Modern Essays in Criticism. Prentice-Hall, 1963.
警告：这些引文格式不一定是100％准确.