Cita APA (7a ed.)
Smithson, P., Addison, K., & Atkinson, K. (2002). Fundamentals of the Physical Environment (3rd Edition.). Routledge.
Cita Chicago Style (17a ed.)
Smithson, Peter, Ken Addison, y Ken Atkinson. Fundamentals of the Physical Environment. 3rd Edition. London: Routledge, 2002.
Cita MLA (9a ed.)
Smithson, Peter, et al. Fundamentals of the Physical Environment. 3rd Edition. Routledge, 2002.
Precaución: Estas citas no son 100% exactas.