APA (7th ed.) Citation

Longstreth, T. M. (1920). The Adirondacks. The Century.

Chicago Style (17th ed.) Citation

Longstreth, Thomas Morris. The Adirondacks. New York: The Century, 1920.

MLA (9th ed.) Citation

Longstreth, Thomas Morris. The Adirondacks. The Century, 1920.