Cita APA (7th ed.)
Columbus, C., & Major, R. H. (2010). Select letters of Christopher Columbus: With other original documents relating to this four voyages to the new world (2nd ed.). Ashgate.
Cita Chicago (17th ed.)
Columbus, Christopher, i Richard Henry Major. Select Letters of Christopher Columbus: With Other Original Documents Relating to This Four Voyages to the New World. 2nd ed. Surrey [England]: Ashgate, 2010.
Cita MLA (9th ed.)
Columbus, Christopher, i Richard Henry Major. Select Letters of Christopher Columbus: With Other Original Documents Relating to This Four Voyages to the New World. 2nd ed. Ashgate, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.