APA (7th ed.) Citation

(1985). Checklist of vascular plants of Organ-Pipe-Cactus-National-Monument, Arizona ([2nd printing].). Southwest Parks and Monuments Association.

Chicago Style (17th ed.) Citation

Checklist of Vascular Plants of Organ-Pipe-Cactus-National-Monument, Arizona. [2nd printing]. Tucson, Arizona: Southwest Parks and Monuments Association, 1985.

MLA (9th ed.) Citation

Checklist of Vascular Plants of Organ-Pipe-Cactus-National-Monument, Arizona. [2nd printing]. Southwest Parks and Monuments Association, 1985.