Montana Historical Society. (1960). Open range days in old Montana and Wyoming. [publisher not identified].
Chicago Style (17th ed.) CitationMontana Historical Society. Open Range Days in Old Montana and Wyoming. [Helena]: [publisher not identified], 1960.
MLA (9th ed.) CitationMontana Historical Society. Open Range Days in Old Montana and Wyoming. [publisher not identified], 1960.
Warning: These citations may not always be 100% accurate.