APA引文

Gronefeld, G. (1965). Understanding animals. Heinemann.

Chicago Style (17th ed.) Citation

Gronefeld, Gerhard. Understanding Animals. London: Heinemann, 1965.

MLA引文

Gronefeld, Gerhard. Understanding Animals. Heinemann, 1965.

警告：這些引文格式不一定是100％准確.