Hart, H. M. (1980). Tour guide to old forts of Montana, Wyoming, North & South Dakota. Pruett Pub. Co. ; Old Army Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHart, Herbert M. Tour Guide to Old Forts of Montana, Wyoming, North & South Dakota. Boulder, CO : Ft. Collins, CO: Pruett Pub. Co. ; Old Army Press, 1980.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHart, Herbert M. Tour Guide to Old Forts of Montana, Wyoming, North & South Dakota. Pruett Pub. Co. ; Old Army Press, 1980.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.