APA引文

Yeats, W. (1950). The Collected poems. Macmillan.

芝加哥风格引文

Yeats, W.B. The Collected Poems. London: Macmillan, 1950.

MLA引文

Yeats, W.B. The Collected Poems. Macmillan, 1950.

警告：这些引文格式不一定是100％准确.