APA (7th ed.) Citation

Henry, M., & Armstrong, L. (2004). Mapping the future of America's national parks: Stewardship through geographic information systems. ESRI Press.

Chicago Style (17th ed.) Citation

Henry, Mark, and Leslie Armstrong. Mapping the Future of America's National Parks: Stewardship Through Geographic Information Systems. Redlands, California: ESRI Press, 2004.

MLA (8th ed.) Citation

Henry, Mark, and Leslie Armstrong. Mapping the Future of America's National Parks: Stewardship Through Geographic Information Systems. ESRI Press, 2004.