APA (7th ed.) Citation

Trails Illustrated (Firm). (1994). Isle Royale National Park, Michigan: Full park map, visitor information, Rock Harbor and Windigo detail maps, highlighted trails with mileages. Trails Illustrated.

Chicago Style (17th ed.) Citation

Trails Illustrated (Firm). Isle Royale National Park, Michigan: Full Park Map, Visitor Information, Rock Harbor and Windigo Detail Maps, Highlighted Trails with Mileages. Evergreen, Colo.: Trails Illustrated, 1994.

MLA (9th ed.) Citation

Trails Illustrated (Firm). Isle Royale National Park, Michigan: Full Park Map, Visitor Information, Rock Harbor and Windigo Detail Maps, Highlighted Trails with Mileages. Trails Illustrated, 1994.