APA引文

Harrod, R. (1972). The life of John Maynard Keynes. Penguin.

芝加哥风格引文

Harrod, Roy. The Life of John Maynard Keynes. Harmondsworth: Penguin, 1972.

MLA引文

Harrod, Roy. The Life of John Maynard Keynes. Penguin, 1972.

警告：这些引文格式不一定是100％准确.