Cita APA (7a ed.)

Bell, S. (1993). Elements of visual design in the landscape. Spon Press.

Cita Chicago Style (17a ed.)

Bell, Simon. Elements of Visual Design in the Landscape. London: Spon Press, 1993.

Cita MLA (9a ed.)

Bell, Simon. Elements of Visual Design in the Landscape. Spon Press, 1993.