APA引文

Ehrenfeld, D. W. (1970). Biological conservation. Holt, Rinehart and Winston.

Chicago Style (17th ed.) Citation

Ehrenfeld, David W. Biological Conservation. Nueva York: Holt, Rinehart and Winston, 1970.

MLA引文

Ehrenfeld, David W. Biological Conservation. Holt, Rinehart and Winston, 1970.

警告：這些引文格式不一定是100％准確.