Lancaster, S. C. (1915). The Columbia: America's great highway through the Cascade Mountains to the sea. S. C. Lancaster.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLancaster, Samuel Christopher. The Columbia: America's Great Highway Through the Cascade Mountains to the Sea. Portland, Or.: S. C. Lancaster, 1915.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLancaster, Samuel Christopher. The Columbia: America's Great Highway Through the Cascade Mountains to the Sea. S. C. Lancaster, 1915.
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