APA (7th ed.) Zitazioa
Jacoby, S. (2013). The great agnostic: Robert Ingersoll and American freethought. Yale University Press.
Chicago Style (17th ed.) Zitazioa
Jacoby, Susan. The Great Agnostic: Robert Ingersoll and American Freethought. New Haven: Yale University Press, 2013.
MLA (9th ed.) Zitazioa
Jacoby, Susan. The Great Agnostic: Robert Ingersoll and American Freethought. Yale University Press, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.