APA (7th ed.) Citation

(2016). Organ pipe cactus, our namesake cactus. National Park Service.

Chicago Style (17th ed.) Citation

Organ Pipe Cactus, Our Namesake Cactus. [Ajo, Ariz.]: National Park Service, 2016.

MLA (9th ed.) Citation

Organ Pipe Cactus, Our Namesake Cactus. National Park Service, 2016.