APA (7th ed.) Citation

Shelton, N. (1997). Superior wilderness: Isle Royale National Park. Isle Royale Natural History Association.

Chicago Style (17th ed.) Citation

Shelton, Napier. Superior Wilderness: Isle Royale National Park. Houghton, Mich.: Isle Royale Natural History Association, 1997.

MLA (9th ed.) Citation

Shelton, Napier. Superior Wilderness: Isle Royale National Park. Isle Royale Natural History Association, 1997.

Warning: These citations may not always be 100% accurate.