Cita APA (7a ed.)

Landscape Research Group (Great Britain). (1976). Landscape research. Landscape Research Group.

Cita Chicago Style (17a ed.)

Landscape Research Group (Great Britain). Landscape Research. Manchester [Greater Manchester]: Landscape Research Group, 1976.

Cita MLA (9a ed.)

Landscape Research Group (Great Britain). Landscape Research. Landscape Research Group, 1976.