APA (7th ed.) Citation

Reik, H. O. (1920). A tour of America's national parks. E.P. Dutton & Co..

Chicago Style (17th ed.) Citation

Reik, Henry Ottridge. A Tour of America's National Parks. New York: E.P. Dutton & Co., 1920.

MLA (8th ed.) Citation

Reik, Henry Ottridge. A Tour of America's National Parks. E.P. Dutton & Co., 1920.