APA (7th ed.) Zitazioa
METZNER, R. (1999). HALLUCINOGENIC DRUGS AND PLANTS IN PSYCHOTHERAPY AND SHAMANISM.
Chicago Style (17th ed.) Zitazioa
METZNER, R. HALLUCINOGENIC DRUGS AND PLANTS IN PSYCHOTHERAPY AND SHAMANISM. 1999.
MLA (9th ed.) Zitazioa
METZNER, R. HALLUCINOGENIC DRUGS AND PLANTS IN PSYCHOTHERAPY AND SHAMANISM. 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.