APA (7th ed.) Citation

Historical Society of Montana & Montana Historical Society. (1955). Montana: The magazine of western history. Historical Society of Montana.

Chicago Style (17th ed.) Citation

Historical Society of Montana and Montana Historical Society. Montana: The Magazine of Western History. Helena, Mont.: Historical Society of Montana, 1955.

MLA (9th ed.) Citation

Historical Society of Montana and Montana Historical Society. Montana: The Magazine of Western History. Historical Society of Montana, 1955.