Cita APA (7th ed.)
Butland, G. J. (1960). Latin America: A regional Geography. Longmans.
Cita Chicago (17th ed.)
Butland, Gilbert James. Latin America: A Regional Geography. London [usw.]: Longmans, 1960.
Cita MLA (9th ed.)
Butland, Gilbert James. Latin America: A Regional Geography. Longmans, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.