APA (7th ed.) Zitazioa
Irwin, J. B. (1963). The differential Limb darkening of S.Cancri. Goethe Link Observatory.
Chicago Style (17th ed.) Zitazioa
Irwin, John B. The Differential Limb Darkening of S.Cancri. [Bloomington]: Goethe Link Observatory, 1963.
MLA (9th ed.) Zitazioa
Irwin, John B. The Differential Limb Darkening of S.Cancri. Goethe Link Observatory, 1963.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.