APA (7th ed.) Citation

(2016). Castle Mountains: Castle Mountains National Monument. National Park Service.

Chicago Style (17th ed.) Citation

Castle Mountains: Castle Mountains National Monument. [Washington, D.C.]: National Park Service, 2016.

MLA (9th ed.) Citation

Castle Mountains: Castle Mountains National Monument. National Park Service, 2016.

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