APA (7th ed.) Citation

Muir, J., & Gleason, H. W. (2019). Our national parks (Dover edition.). Dover Publications, Inc..

Chicago Style (17th ed.) Citation

Muir, John, and Herbert Wendell Gleason. Our National Parks. Dover edition. Mineola, New York: Dover Publications, Inc., 2019.

MLA (9th ed.) Citation

Muir, John, and Herbert Wendell Gleason. Our National Parks. Dover edition. Dover Publications, Inc., 2019.