APA Citatie

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

Chicago Style citaat

Smithson, Peter, Kenneth Addison, en K. Atkinson. Fundamentals of the Physical Environment. 4th ed. London ; New York: Routledge, 2008.

MLA citatie

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