APA (7th ed.) Citation

Historic American Buildings Survey & DeHaas, J. N. (1964). Montana's historic structures. [publisher not identified].

Chicago Style (17th ed.) Citation

Historic American Buildings Survey and John N. DeHaas. Montana's Historic Structures. [Place of publication not identified]: [publisher not identified], 1964.

MLA (9th ed.) Citation

Historic American Buildings Survey and John N. DeHaas. Montana's Historic Structures. [publisher not identified], 1964.