APA (7th ed.) Citation

Harris, D. S., & Ruggles, D. F. (2007). Sites unseen: Landscape and vision. University of Pittsburgh Press.

Chicago Style (17th ed.) Citation

Harris, Dianne Suzette, and D. Fairchild Ruggles. Sites Unseen: Landscape and Vision. Pittsburgh, Pennsylvania: University of Pittsburgh Press, 2007.

MLA (9th ed.) Citation

Harris, Dianne Suzette, and D. Fairchild Ruggles. Sites Unseen: Landscape and Vision. University of Pittsburgh Press, 2007.