Citazione APA

Smithson, P., Addison, K., & Atkinson, K. (2008). Fundamentals of the physical environment (4th ed.). Routledge.

Stile di citazione Chicago

Smithson, Peter, Ken Addison, e Ken Atkinson. Fundamentals of the Physical Environment. 4th ed. London: Routledge, 2008.

Citazione MLA

Smithson, Peter, et al. Fundamentals of the Physical Environment. 4th ed. Routledge, 2008.