APA (7th ed.) Citation

Helena Chamber of Commerce. (1980). Your personal guide to Helena, Montana, and surrounding areas, including map and pertinent tidbits. Helena Area Chamber of Commerce.

Chicago Style (17th ed.) Citation

Helena Chamber of Commerce. Your Personal Guide to Helena, Montana, and Surrounding Areas, Including Map and Pertinent Tidbits. [Helena]: Helena Area Chamber of Commerce, 1980.

MLA (8th ed.) Citation

Helena Chamber of Commerce. Your Personal Guide to Helena, Montana, and Surrounding Areas, Including Map and Pertinent Tidbits. Helena Area Chamber of Commerce, 1980.