APA (7th ed.) Zitazioa

ebrary, Inc, Columbus, A., & Kuznetsov, L. (2009). Endangered species: New research. Nova Science Publishers.

Chicago Style (17th ed.) Zitazioa

ebrary, Inc, Alexandra Columbus, eta Luke Kuznetsov. Endangered Species: New Research. New York: Nova Science Publishers, 2009.

MLA (9th ed.) Zitazioa

ebrary, Inc, et al. Endangered Species: New Research. Nova Science Publishers, 2009.