Hickman, R. O., & White, M. C. (1929). An overland journey to California in 1852: The journal of Richard Owen Hickman. State University of Montana.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHickman, Richard Owen, और Mary Catherine White. An Overland Journey to California in 1852: The Journal of Richard Owen Hickman. Missoula: State University of Montana, 1929.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHickman, Richard Owen, और Mary Catherine White. An Overland Journey to California in 1852: The Journal of Richard Owen Hickman. State University of Montana, 1929.
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