APA (7th ed.) Zitazioa
White, E. G. Steps to Christ. Inspiration Book.
Chicago Style (17th ed.) Zitazioa
White, Ellen G. Steps to Christ. Arizona: Inspiration Book.
MLA (9th ed.) Zitazioa
White, Ellen G. Steps to Christ. Inspiration Book.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.