APA način citiranja (7. izdanje)

Wearing, S., & Schweinsberg, S. Ecotourism: Transitioning to the 22nd century (Third edition.).

Čikaški stil citiranja (17. izdanje)

Wearing, Stephen, i Stephen Schweinsberg. Ecotourism: Transitioning to the 22nd Century. Third edition.

MLA način citiranja (9. izdanje)

Wearing, Stephen, i Stephen Schweinsberg. Ecotourism: Transitioning to the 22nd Century. Third edition.