APA (7th ed.) Citation

Rand McNally and Company & Auto-Owners Insurance Company. (1930). Official road and airport map of Michigan. Auto-Owners Insurance Company.

Chicago Style (17th ed.) Citation

Rand McNally and Company and Auto-Owners Insurance Company. Official Road and Airport Map of Michigan. Lansing, Mich.: Auto-Owners Insurance Company, 1930.

MLA (9th ed.) Citation

Rand McNally and Company and Auto-Owners Insurance Company. Official Road and Airport Map of Michigan. Auto-Owners Insurance Company, 1930.