APA引文

Hegner, R. (1957). Parade of the animal kingdom. The Macmillan.

芝加哥风格引文

Hegner, Robert. Parade of the Animal Kingdom. New York: The Macmillan, 1957.

MLA引文

Hegner, Robert. Parade of the Animal Kingdom. The Macmillan, 1957.

警告：这些引文格式不一定是100％准确.