Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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