APA (7th ed.) Citation

Landscape Research Group (Great Britain), Penning-Rowsell, E., & Lowenthal, D. (1986). Landscape meanings and values. Allen and Unwin.

Chicago Style (17th ed.) Citation

Landscape Research Group (Great Britain), Edmund Penning-Rowsell, and David Lowenthal. Landscape Meanings and Values. London ; Boston: Allen and Unwin, 1986.

MLA (9th ed.) Citation

Landscape Research Group (Great Britain), et al. Landscape Meanings and Values. Allen and Unwin, 1986.