Fox, P. (2018). Northland: A 4,000-mile journey along America's forgotten border (First edition.). W.W. Norton & Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFox, Porter. Northland: A 4,000-mile Journey Along America's Forgotten Border. First edition. New York: W.W. Norton & Company, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFox, Porter. Northland: A 4,000-mile Journey Along America's Forgotten Border. First edition. W.W. Norton & Company, 2018.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.