APA (7th ed.) Zitazioa

Gibbon, E. (1930). Gibbon on christianity. Watts & Co.

Chicago Style (17th ed.) Zitazioa

Gibbon, Edward. Gibbon on Christianity. London: Watts & Co, 1930.

MLA (9th ed.) Zitazioa

Gibbon, Edward. Gibbon on Christianity. Watts & Co, 1930.