Cita APA (7a ed.)
Harpur, T. (1977). The road to Bethlehem: Two thousand... David Cook.
Cita Chicago Style (17a ed.)
Harpur, Tom. The Road to Bethlehem: Two Thousand... Illinois: David Cook, 1977.
Cita MLA (9a ed.)
Harpur, Tom. The Road to Bethlehem: Two Thousand... David Cook, 1977.
Precaución: Estas citas no son 100% exactas.