APA (7th ed.) Citation

Mapping Unlimited. (1970). Navigation charts of Lake Charlevoix, Walloon Lake, and Little Traverse Bay ([1st ed.].). [publisher not identified].

Chicago Style (17th ed.) Citation

Mapping Unlimited. Navigation Charts of Lake Charlevoix, Walloon Lake, and Little Traverse Bay. [1st ed.]. Detroit: [publisher not identified], 1970.

MLA (8th ed.) Citation

Mapping Unlimited. Navigation Charts of Lake Charlevoix, Walloon Lake, and Little Traverse Bay. [1st ed.]. [publisher not identified], 1970.