Παραπομπή APA

Levin, S. A. (2001). Encyclopedia of biodiversity. v1-5. Academic press.

Παραπομπή Chicago Style

Levin, Simon Asher. Encyclopedia of Biodiversity. V1-5. California: Academic press, 2001.

Παραπομπή MLA

Levin, Simon Asher. Encyclopedia of Biodiversity. V1-5. Academic press, 2001.