APA (7th ed.) Citation

Dupree, J. D. (1966). Isle Royale National Park, monument to a journalist.

Chicago Style (17th ed.) Citation

Dupree, John David. Isle Royale National Park, Monument to a Journalist. 1966.

MLA (9th ed.) Citation

Dupree, John David. Isle Royale National Park, Monument to a Journalist. 1966.

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