APA način citiranja (7. izdanje)

Isichei, A. O. (2014). Omo Biosphere Reserve, Current Status, Utilization of Biological Resources and Sustainable Management (Nigeria). UNESCO.

Čikaški stil citiranja (17. izdanje)

Isichei, Augustine O. Omo Biosphere Reserve, Current Status, Utilization of Biological Resources and Sustainable Management (Nigeria). UNESCO, 2014.

MLA način citiranja (9. izdanje)

Isichei, Augustine O. Omo Biosphere Reserve, Current Status, Utilization of Biological Resources and Sustainable Management (Nigeria). UNESCO, 2014.