APA (7th ed.) Zitazioa

Geikie, A. The Ancient Volcanoes of Great Britain, Volume 1 (of 2).

Chicago Style (17th ed.) Zitazioa

Geikie, Archibald. The Ancient Volcanoes of Great Britain, Volume 1 (of 2).

MLA (9th ed.) Zitazioa

Geikie, Archibald. The Ancient Volcanoes of Great Britain, Volume 1 (of 2).

Kontuz: berrikusi erreferentzia hauek erabili aurretik.