APA (7th ed.) Zitazioa
(2017). Psychéplants. International Center for Ethnobotanical Education Research & Service.
Chicago Style (17th ed.) Zitazioa
Psychéplants. Barcelona: International Center for Ethnobotanical Education Research & Service, 2017.
MLA (9th ed.) Zitazioa
Psychéplants. International Center for Ethnobotanical Education Research & Service, 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.