APA引文

Gilbert, W. S. (1949). Selected operas: Second series. Macmillan.

芝加哥风格引文

Gilbert, W. S. Selected Operas: Second Series. London: Macmillan, 1949.

MLA引文

Gilbert, W. S. Selected Operas: Second Series. Macmillan, 1949.

警告：这些引文格式不一定是100％准确.