APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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