Cita APA (7a ed.)

Bircher, R., Chiles, M., Clemens, R., Crossley, P., Flint, D., Guinness, P., & Hopkin, J. (2016). Edexcel GCSE (9-1) Geography A: Geographical themes and challenges ([Student book].). Pearson.

Cita Chicago Style (17a ed.)

Bircher, Rob, Michael Chiles, Rob Clemens, Philipp Crossley, David Flint, Paul Guinness, y John Hopkin. Edexcel GCSE (9-1) Geography A: Geographical Themes and Challenges. [Student book]. London: Pearson, 2016.

Cita MLA (9a ed.)

Bircher, Rob, et al. Edexcel GCSE (9-1) Geography A: Geographical Themes and Challenges. [Student book]. Pearson, 2016.