APA (7th ed.) Citation

DeLue, R. Z., & Elkins, J. (2008). Landscape theory. Routledge.

Chicago Style (17th ed.) Citation

DeLue, Rachael Ziady, and James Elkins. Landscape Theory. New York: Routledge, 2008.

MLA (9th ed.) Citation

DeLue, Rachael Ziady, and James Elkins. Landscape Theory. Routledge, 2008.