APA (7th ed.) Zitazioa
Harter, M. Hearts on Fire: Praying with Jesuits. Institute of Jesuit Sources.
Chicago Style (17th ed.) Zitazioa
Harter, Michael. Hearts on Fire: Praying with Jesuits. Saint Louis, EUA: Institute of Jesuit Sources.
MLA (9th ed.) Zitazioa
Harter, Michael. Hearts on Fire: Praying with Jesuits. Institute of Jesuit Sources.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.