APA način citiranja (7. izdanje)

Halffter, G. (2005). TOWARDS A CULTURE OF BIODIVERSITY CONSERVATION. Instituto de Ecología, A.C.

Čikaški stil citiranja (17. izdanje)

Halffter, Gonzalo. TOWARDS A CULTURE OF BIODIVERSITY CONSERVATION. Instituto de Ecología, A.C, 2005.

MLA način citiranja (9. izdanje)

Halffter, Gonzalo. TOWARDS A CULTURE OF BIODIVERSITY CONSERVATION. Instituto de Ecología, A.C, 2005.