APA (7th ed.) Zitazioa
National Gallery (Gran Bretaña) & Clark Kenneth. (1941). More details from pictures in the National Gallery. Printed for the trustees.
Chicago Style (17th ed.) Zitazioa
National Gallery (Gran Bretaña) eta Clark Kenneth. More Details from Pictures in the National Gallery. Londres: Printed for the trustees, 1941.
MLA (9th ed.) Zitazioa
National Gallery (Gran Bretaña) eta Clark Kenneth. More Details from Pictures in the National Gallery. Printed for the trustees, 1941.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.