Cita APA (7a ed.)
Carroll, A., & Allen, W. L. The Two Koreas. National Geographic Society.
Cita estilo Chicago (17a ed.)
Carroll, Allen, y William L. Allen. The Two Koreas. Washington, EUA: National Geographic Society.
Cita MLA (9a ed.)
Carroll, Allen, y William L. Allen. The Two Koreas. National Geographic Society.
警告：這些引文格式不一定是100％准確.