APA引文

Silverberg, R. (1970). To open the sky. Sphere Books.

芝加哥风格引文

Silverberg, Robert. To Open the Sky. London: Sphere Books, 1970.

MLA引文

Silverberg, Robert. To Open the Sky. Sphere Books, 1970.

警告：这些引文格式不一定是100％准确.