APA (7th ed.) Zitazioa
Machen, J. G. (1965). The virgin birth of Christ. Baker book house.
Chicago Style (17th ed.) Zitazioa
Machen, J. Gresham. The Virgin Birth of Christ. Grand rapids: Baker book house, 1965.
MLA (9th ed.) Zitazioa
Machen, J. Gresham. The Virgin Birth of Christ. Baker book house, 1965.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.