(1974). A traveler's map of the British isles. National Geographic Society.
芝加哥风格引文A Traveler's Map of the British Isles. Washington, DC: National Geographic Society, 1974.
MLA引文A Traveler's Map of the British Isles. National Geographic Society, 1974.
警告：这些引文格式不一定是100％准确.