APA (7th ed.) Zitazioa
World Health Organization. (2018). Mental Health Atlas 2017. World Health Organization.
Chicago Style (17th ed.) Zitazioa
World Health Organization. Mental Health Atlas 2017. Ginebra: World Health Organization, 2018.
MLA (9th ed.) Zitazioa
World Health Organization. Mental Health Atlas 2017. World Health Organization, 2018.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.