Modern Language Association of America. (2021). MLA handbook (Ninth edition.). The Modern Language Association of America.
芝加哥风格引文Modern Language Association of America. MLA Handbook. Ninth edition. New York, New York: The Modern Language Association of America, 2021.
MLA引文Modern Language Association of America. MLA Handbook. Ninth edition. The Modern Language Association of America, 2021.
警告：这些引文格式不一定是100％准确.