Cita APA (7th ed.)
Walsh, T. A., & Eliot, J. L. (1977). Colonization and Trade in the New World. National Geographic Society.
Cita Chicago (17th ed.)
Walsh, Thomas A., i John L. Eliot. Colonization and Trade in the New World. Washington, EUA: National Geographic Society, 1977.
Cita MLA (9th ed.)
Walsh, Thomas A., i John L. Eliot. Colonization and Trade in the New World. National Geographic Society, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.