APA引文

Portune, R. (1958). The old man and the sky. Barrie Books.

芝加哥风格引文

Portune, Robert. The Old Man and the Sky. London: Barrie Books, 1958.

MLA引文

Portune, Robert. The Old Man and the Sky. Barrie Books, 1958.

警告：这些引文格式不一定是100％准确.