Cita APA (7th ed.)

ProQuest (Firm) & Gifford, P. (2003). 2000 years and beyond: Faith, identity, and the 'common era'. Routledge.

Cita Chicago (17th ed.)

ProQuest (Firm) i Paul Gifford. 2000 Years and Beyond: Faith, Identity, and the 'Common Era'. London ; New York: Routledge, 2003.

Cita MLA (9th ed.)

ProQuest (Firm) i Paul Gifford. 2000 Years and Beyond: Faith, Identity, and the 'Common Era'. Routledge, 2003.